CN1808809B - Ground socket device - Google Patents
Ground socket device Download PDFInfo
- Publication number
- CN1808809B CN1808809B CN 200510129506 CN200510129506A CN1808809B CN 1808809 B CN1808809 B CN 1808809B CN 200510129506 CN200510129506 CN 200510129506 CN 200510129506 A CN200510129506 A CN 200510129506A CN 1808809 B CN1808809 B CN 1808809B
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- floor
- cover plate
- movable body
- state
- connector modules
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Abstract
The utility model provides a floor socket device, in particular to a pop-up floor socket device which can switch a protruding state for protruding a movable body (4) provided with a connector module (15) on the floor and a containing state for containing the movable body (4) under the floor. The connector module (15) is embedded into the frame (21) of the movable body (4) from the lower side of the frame and is pushed and pressed from the lower side by a fixing part (24), therefore wires under the floor can be connected to the connector module (15) not through the opening part (11) of a coverboard (3). Accordingly, the floor socket device can simplify the wiring under the floor and the connecting operation of the connector module.
Description
Technical field
The present invention relates to be located at the ground socket device of ejection (pop-up) type on the floor.
Background technology
In the past this kind of ground socket device constitutes (for example patent documentation 1) can switch from the peristome of cover plate to the outstanding state of the outstanding movable body with socket in floor with the mode that this movable body is accommodated in underfloor receiving state.
In patent documentation 1 disclosed ground socket device, movable body forms the structure with loam cake and lower cover gripper socket (in patent documentation 1, being jack body).Then, freely lower cover is arranged on the cover plate (in patent documentation 1, being mounting panel), movable body can be switched to outstanding state or receiving state thus via the axle rotation.
This kind ground socket device is by will wiring being connected sequence construction back on the socket, that stop up the upper opening ground securing cover plate that is embedded in the receiver in the floor under the floor., in patent documentation 1 disclosed ground socket device, the terminal board that wiring connects usefulness is set herein, can wiring under the floor be connected on the socket than being easier to.
Patent documentation 1: open clear 56-100870 communique in fact
, in recent years,, be set up in parallel supply socket or phone and begin practicability with the ground socket device of multiple connector modules such as connector, LAN connector as this kind ground socket device.In described ground socket device, if since a plurality of connector modules separately on terminal board is set, device will maximize, so scarcely whole connector modules is provided with terminal board, only some connector modules is provided with terminal board.
In addition, have or not the space that is provided with of terminal board not adopt terminal board sometimes, the ground socket device that terminal board itself is not set is at the very start also arranged
Same with above-mentioned patent documentation 1, in the ground socket device of formation with loam cake and lower cover, under situation about directly wiring under the floor not being connected on the connector modules via terminal board, at first, to give prominence to the state of movable body from the peristome of cover plate, after taking off loam cake, take off connector modules again.Then, must pull out wiring under the floor upward via the peristome of cover plate, being connected up down in this floor is connected on the connector modules.In such cases, because wiring is by the peristome of cover plate, so exist the wiring difficulty to move the problem of operational difficulty.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of ground socket device that is connected operation that can simplify under the floor wiring and connector modules.
The ground socket device of the 1st invention, possess, cover plate, it is installed on the floor, has peristome, movable body, it has connector modules and is supported on the described cover plate, described movable body can switch outstanding state and receiving state, described outstanding state be from described peristome to outstanding this connector modules in floor and can be on this connector modules the state of jointing connector, described receiving state is for being accommodated in this connector modules the state under the floor, described ground socket device is characterised in that: described movable body, be supported freely via the hinge rotation, and have: framework, its rotation remains on the described cover plate freely, have top plate portion and the upright frame portion that embeds described connector modules from the below that is located at the back side of this top plate portion, fixed part, its loading and unloading are installed on the described framework freely, described connector modules from the described frame of downside pushing embedding portion, described framework has the upright pair of side plates portion that is located at the back side of described top plate portion, and this pair of side plates portion covers the hidden side that is embedded into the connector modules in the described frame portion; Described fixed part is erected at the bottom of described pair of side plates portion by screw; And the head of this screw exposes in the side of described movable part.
The 2nd invention, preferred: under situation about described cover plate being installed on the floor, no matter under which kind of state of described receiving state and described outstanding state, all by at least a portion of the head of the hidden described screw of described cover plate.
The 3rd invention, preferred: as to possess: boost parts, it pushes away described movable body to direction outstanding on described floor; Locating part, it is provided with from sidepiece of described fixed part is outstanding laterally, is used for being boosted the described movable body that parts push away and being fastened on described cover plate by described, and keeps described outstanding state; Restrictions, it is located on the described framework, and by engaging with described fixed part, limiting described fixed part is that rotate at the center because of the engaging of described locating part and described cover plate with described screw.
According to the 1st invention, owing to embed described connector modules by below from the described frame portion of described framework, when being connected wiring under the floor on the described connector modules, can be not described peristome ground by described cover plate connecting up connecting under the floor on the described connector modules, so compare with ground socket device in the past, can simplify under the floor operation that is connected of wiring and connector modules.
According to the 2nd invention, under situation about described cover plate being installed on the floor, because no matter under which kind of state of described receiving state and described outstanding state, by head with the hidden described screw of described cover plate, even under described outstanding state, also the described screw of invisibility can improve aesthetic appearance, simultaneously can not unload this screw, therefore can prevent to be in the described movable body of this ground socket device that is located at the state on the floor by decomposition such as users.
According to the 3rd invention, described restrictions limits described fixed part and rotates because of the engaging of described locating part and described cover plate is decided to be the center with described spiral shell, therefore during to the switching of outstanding state, can prevent the offset of described fixed part from receiving state.
Description of drawings
Fig. 1 is the stereogram of the receiving state of taking in movable body of the ground socket device of expression embodiments of the present invention.
Fig. 2 is the end view of outstanding state of outstanding movable body of the ground socket device of expression embodiments of the present invention.
Fig. 3 is the exploded perspective view of the ground socket device of embodiments of the present invention.
Fig. 4 is the exploded perspective view of movable body of seeing the ground socket device of embodiments of the present invention from rear side.
Fig. 5 is a stereogram of seeing the ground socket device of embodiments of the present invention from the floor downside.
Fig. 6 is the rearview of the ground socket device of embodiments of the present invention.
Among the figure: 1-ground socket device, 2-floor, 3-cover plate, 4-movable body, 5-top plate portion, 9-torsion spring, the 11-peristome, 12-locating part, 15,15a, 15b-connector modules, 20-framework, 21-frame portion, the 22-side plate, 22c-rib (restrictions), 24-fixed part, 25-screw, 25a-head.
Embodiment
Below, with reference to the description of drawings embodiments of the present invention.Fig. 1 is the stereogram of the receiving state of taking in movable body of the ground socket device of expression embodiments of the present invention.Fig. 2 is the end view of outstanding state of outstanding movable body of the ground socket device of expression embodiments of the present invention.Fig. 3 is the exploded perspective view of the ground socket device of embodiments of the present invention.Fig. 4 is the exploded perspective view of movable body of seeing the ground socket device of embodiments of the present invention from rear side.Fig. 5 is a stereogram of seeing the ground socket device of embodiments of the present invention from the floor downside.In addition, Fig. 6 is the rearview of the ground socket device of embodiments of the present invention.In addition, in this manual, about movable body, stipulated to reach up and down fore-and-aft direction, among the figure, UP represents upside, and DOWN represents downside, and FR represents the front side, and RR represents rear side.
Ground socket device 1, have the cover plate 3 that is fixed on the floor 2 and when using on the floor outstanding movable body 4.Movable body 4 is being accommodated under the underfloor receiving state (Fig. 1), the surperficial 3a of the surperficial 5a of the top plate portion 5 by movable body 4 and cover plate 3 forms and is connected surperficial 6.This connects surface 6, is formed on the surperficial roughly the same or high slightly position with floor 2.In addition, in the present embodiment, connect surface 6 and roughly form the plane, have concavo-convex face but also can form.
As shown in Figure 2, movable body 4 is supported on the cover plate 3 freely via hinge 7 rotations.Movable body 4, by the parts that boost on the axle 8 that is wound on hinge 7 is that torsion spring 9 is pushed to outstanding side, if move the operation keys 10 on the surperficial 3a that is located at cover plate 3, removes the locking of movable body 4 and cover plate 3, movable body 4 is just by the active force of this torsion spring 9, and is outstanding from the peristome 11 of cover plate 3.In addition, locating part 12 is set, by this locating part 12 is fastened on the cover plate 3, and makes movable body 4 static, can keep this outstanding state (Fig. 2) with the outstanding state of regulation in the two sides of movable body 4.In addition, movable body 4 and cover plate 3 also can lock under outstanding state, only otherwise move operation key 10 is removed this locking, just can not press movable body 4 and turn back to receiving state.
As shown in Figures 2 and 3, the fixing receiver 13 of upper opening on floor 2.On the sidewall of this receiver 13, form the hole 13a that gets through by finger or instrument, floor wiring 14 down, 13a is incorporated in the receiver 13 via this hole.Construction operation person wiring 14 under with this floor is installed in ground socket device 1 on the receiver 13 with after each connector modules 15a, 15b on being installed in movable body 4 is electrically connected.The details aftermentioned of the method for attachment of wiring 14 and connector modules 15 under the floor., the bead 17 of a pair of formation screw hole 16 is set herein on the top with the mutual opposed sidewall of receiver 13 respectively,, ground socket device 1 can be installed on receiver 13 by in this screw hole 16, screwing togather the screw 19 in the through hole 18 that passes on the cover plate 3.Then, be screwed onto the head 19a of the screw 19 on the cover plate 3, covered by top plate portion 5, to improve aesthetic property with receiving state.In described formation, under receiving state, the part of the downside of the top plate portion 5 of movable body 4 is accommodated in the receiver 13.In addition, under this receiving state, the position overlaid around the peristome 11 on the following and cover plate 3 of top plate portion 5 is pushed downwards under the situation of top plate portion 5, following and cover plate 3 engagings of top plate portion 5, and movable body 4 does not slip into downwards.
As Fig. 4～shown in Figure 6, movable body 4, by framework 20, connector modules 15 (15a, 15b), and fixed part 24 constitute.For this movable body 4,, can be supported in freely on the cover plate 3 via hinge 7 rotations by on framework 20, linking hinge 7.
The upright frame portion 21 that establishes on the back side of the front portion of top plate portion 5.Frame portion 21 is open towards the below, embeds a plurality of connector modules 15 in this frame portion 21 side by side.Frame portion 21 allows from below loading and unloading connector modules 15.As connector modules 15, except that illustrated power connector module 15a or phone connector module 15b, also can prepare the multiple parts such as illusory parts that LAN connector modules or conduct are not formed with the single space of connector, except that can suiting selectively to embed according to purposes, handover configurations also can suit.In addition, the front of a plurality of connector modules 15 of embedding (plug joint face) 15a forms a series of plane.
In addition, uprightly about on the back side of the sidepiece of top plate portion 5 establish pair of side plates portion 22, cover the side of the connector modules 15 of hidden embedding frame portion 21.Then, set up rib 23 in the rear portion and the bottom of above-mentioned pair of side plates portion 22.These side plates 22 are integrated with frame portion 21.
Fixed part 24 is used for from the connector modules 15 of downside pushing embedding frame portion 21, and loading and unloading are erected at the bottom of framework 20 freely.Keep connector modules 15 by this fixed part 24 and frame portion 21.Specifically, fixed part 24 has, be adjacent to be configured in the below of connector modules 15 roughly columned matrix part 24a, rearward extend from the rear portion of matrix part 24a and two bights of bottom, upward bending extend to rib 23 near a pair of arm 24b, be erected at the rib 24c between this a pair of arm 24b.
In addition, in the two sides of matrix part 24a, as via the breach 22b of the lower end of the side plate 22 that is located at framework 20 than side plate to the outstanding projection of side foreign side, locating part 12 is set.These locating parts 12 are located at 8 one side of leaning on of screw 25.In this constitutes, the active force that passes through torsion spring 9 at movable body 4 is when the peristome 11 of cover plate 3 is given prominence to, by this locating part 12 is fastened on the cover plate 3, with screw 25 power of the center direction (clockwise direction among Fig. 2) of rotating to the lower side to fixed part 24 effect arm 24b.Therefore, in the present embodiment, form rib 22c highlightedly as the restrictions of the rearward end that is fastened on arm 24b from axle 8 sides from the inner face of each side plate 22 of framework 20.Thus, when locating part 12 is fastened on the cover plate 3, limits fixed part 24 by the power that acts on fixed part 24 and rotate.
In addition, on the back side of cover plate 3, be fixed for being electrically connected connector modules 15 and the floor terminal board 26 of wiring 14 down.In the present embodiment, terminal board 26, under receiving state, the position at the rear that becomes connector modules 15 via carriage 27, is installed on the cover plate 3.Herein, in the present embodiment, the width of terminal board 26 under receiving state, is formed with gap 28 in the both sides of terminal board 26 less than the inwall width to each other of the pair of side plates portion 22 of movable body 4.So by forming gap 28, at movable body 4 when outstanding state moves to receiving state, can be suppressed at fixing terminal board 26 and the side plate 22 that rotates between clamp 14 the situation of connecting up on the floor under.In addition, in terminal board 26 and a plurality of connector modules 15 any one (in the present embodiment, be power connector module 15a) be electrically connected, by wiring 14 under the floor is connected on the terminal board 26, can be electrically connected wiring 14 under this connector modules 15 (15a) and the floor.In addition, on terminal board 26, connect the connector modules of using as so-called forceful electric power such as power connector module 15a 15,, can guarantee conducting easier and more reliably for the bigger electric power system of energising electric power.
In addition, ground socket device 1 has the guide frame that limits the routing path of wiring 14 under the floor that is connected on the connector modules 15.
At first, on rib 23, form concavo-convexly, should concavo-convexly be used as guide frame.In the present embodiment, concavo-convex as this, form the breach 23a of essentially rectangular shape at two places adjacent with pair of side plates portion 22.Under inserting the floor, connect up 14, can utilize the wall 23b of its inboard (away from a side of side plate 22) to limit that wiring 14 more relies on inboard the configuration this floor under at this breach 23a.Under this floor is connected up in more inner inboard the wiring 14 in, the following wiring 14 in this floor overlaps with terminal board 26 or other floor time wiring 14 etc., the misgivings that hinder movable body 4 to move to receiving state from outstanding state are arranged, connect up 14 by inserting under the floor, can suppress so problem at breach 23a.
In addition, in the present embodiment, the arm 24b of fixed part 24 is extended to the position relative with breach 23a, run through the floor wiring 14 down of breach 23a with the end limit 24e clamping of rib 23 and arm 24b.Thus, can more reliably suppress under the floor wiring 14 comes off and is routed in the situation of more inner inboard from breach 23a.
In addition, in the present embodiment,, be used for improving the protectiveness of wiring 14 under the floor with running through rubber-like wiring wiring 14 under the state arrangement floor of pipe (for example pitch tube or rubber tube etc.) 29.In addition, by to run through this wiring state,, also have and to reduce under the floor, the connect up advantage of stress of 14 generations of the extruding that forms because of this clamping with rib 23 and the wiring 14 down of arm 24b clamping floor with pipe 29.In addition, utilize this wiring with pipe 29, especially connect up under the floor that so-called forceful electric power such as feed cable are used 14 and the floor used of so-called light current such as LAN cable under wiring 14 mix under the situation about existing, floor wiring 14 down can form more reliable insulation.
In addition, in the present embodiment, on the inwall of side plate 22, form stand portion 30, this stand portion 30 is used as guide frame.In the present embodiment,, inwards outstanding agley from rib 23 to the rearward end, on position (position of the downside of hinge 7), form stand portion 30 with top plate portion 5 almost parallels away from hinge 7.So, can suppress under the floor wiring 14 be clamped near hinge 7 cover plate 3 and movable body 4 between situation.
In addition, preferred as shown in Figure 6, on the roughly the same position of above-below direction, form the mounting surface 30a of stand portion 30 and the inward flange 23c of breach 23a, arrange the floor wiring 14 down that runs through breach 23a along stand portion 30 more reliably.
In so constituting, illustrate that the connector modules 15b that is not connected with terminal board 26 (being phone connector module 15b in the present embodiment) in connector modules 15 goes up the method that connects wiring 14 under the floor.When under the situation of mounted connector module 15b on the framework 20 and fixed part 24, movable body 4 is formed receiving state, unload screw 25, take off fixed part 24 from framework 20, take off connector modules 15 towards the below from frame portion 21.Certainly, this operation, when on the framework 20 not the assembling of mounted connector module 15b and fixed part 24 do not need under the situation of intact state.So on the connector modules 15b of the state that does not embed frame portion 21, connect floor wiring 14 down.Then, be embedded in the connector modules 15b that has connected wiring 14 under the floor, utilize screw 25 that fixed part 24 is installed on the framework 20 from the below in frame portion 21.So, in the present embodiment, by being embedded in connector modules 15b from the below in frame portion 21, when wiring 14 is connected on the connector modules 15b under the floor, can be not peristome 11 ground by cover plate 3 connecting up 14 connecting under the floor on the connector modules 15b.Therefore, compare, can simplify under the floor operation that is connected of wiring 14 and connector modules 15b with ground socket device in the past.
In addition, in the present embodiment, under situation about cover plate 3 being installed on the floor 2, because the head 25a of screw 25, no matter under which kind of state of receiving state and outstanding state, all hidden by cover plate 3, even under the promptly outstanding state of user mode of this ground socket device 1, also difficultly 2 see screw 25 from the floor, can improve aesthetic appearance, simultaneously, cover plate 3 stops the head 25a that screwdriver is fastened on from the floor 2 screw 25, and can not unload this screw 25, therefore can prevent to be located at the situation of movable body 4 of this ground socket device 1 of the state on the floor by decomposition such as users.Thus, can prevent electric shock, the electric leakage that the decomposition because of movable body 4 causes.In addition, in such cases, screw 25 integral body are placed the below of the upper end of peristome 11,, can improve aesthetic appearance by with cover plate 3 hidden screws 25.
In addition, in the present embodiment, the part of cover plate 3 is between locating part 12 and top plate portion 5, but structure so, can run through the peristome 11 of cover plate 3 from upside by making the movable body 4 that is in the state that unloads fixed part 24, install and fix parts 24 and constitute at this movable body 4 from the downside of cover plate 3.In such cases, when locating part 12 is fastened on the cover plate 3, make to make for the center power of these fixed part 24 rotations in order to screw 25 to fixed part 24, but in the present embodiment, limit owing to so rotate, so can prevent in offset from receiving state fixed part 24 when switching state switches by rib 22c.
More than, illustrated preferred embodiment of the present invention, but the present invention is not limited to above-mentioned execution mode, in the scope that does not break away from aim of the present invention, can carry out various changes to above-mentioned execution mode.
Claims (3)
1. a ground socket device possesses,
Cover plate, it is installed on the floor, has peristome,
Movable body, it has connector modules and is supported on the described cover plate, described movable body can switch outstanding state and receiving state, described outstanding state be from described peristome to outstanding this connector modules in floor and can be on this connector modules the state of jointing connector, described receiving state is for being accommodated in this connector modules the state under the floor, and described ground socket device is characterised in that:
Described movable body is supported freely via the hinge rotation, and has:
Framework, its rotation remains on the described cover plate freely, has top plate portion and the upright frame portion that is used for embedding from the below described connector modules that is located at the back side of this top plate portion; With
Fixed part, its loading and unloading are installed on the described framework freely, from the described connector modules of the described frame of downside pushing embedding portion,
Described framework has the upright pair of side plates portion that is located at the back side of described top plate portion, and this pair of side plates portion covers the hidden side that is embedded into the connector modules in the described frame portion;
Described fixed part is erected at the bottom of described pair of side plates portion by screw; And the head of this screw exposes in the side of described movable part.
2. ground socket device as claimed in claim 1 is characterized in that:
Under situation about described cover plate being installed on the floor, no matter under which kind of state of described receiving state and described outstanding state, all by at least a portion of the head of the hidden described screw of described cover plate.
3. ground socket device as claimed in claim 2 is characterized in that possessing:
Boost parts, it pushes away described movable body to direction outstanding on described floor;
Locating part, it is provided with from sidepiece of described fixed part is outstanding laterally, is used for being boosted the described movable body that parts push away and being fastened on described cover plate by described, and keeps described outstanding state;
Restrictions, it is located on the described framework, and by engaging with described fixed part, limiting described fixed part is that rotate at the center because of the engaging of described locating part and described cover plate with described screw.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005014848A JP4079150B2 (en) | 2005-01-21 | 2005-01-21 | Floor outlet device |
| JP2005-014848 | 2005-01-21 | ||
| JP2005014848 | 2005-01-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1808809A CN1808809A (en) | 2006-07-26 |
| CN1808809B true CN1808809B (en) | 2011-08-17 |
Family
ID=36840572
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520143036 Expired - Lifetime CN2891359Y (en) | 2005-01-21 | 2005-12-05 | Grounding socket apparatus |
| CN 200510129506 Active CN1808809B (en) | 2005-01-21 | 2005-12-05 | Ground socket device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520143036 Expired - Lifetime CN2891359Y (en) | 2005-01-21 | 2005-12-05 | Grounding socket apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4079150B2 (en) |
| CN (2) | CN2891359Y (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4079150B2 (en) * | 2005-01-21 | 2008-04-23 | 松下電工株式会社 | Floor outlet device |
| JP5024684B2 (en) * | 2009-03-18 | 2012-09-12 | 株式会社ニシ・スポーツ | Connector box device |
| CN102214885B (en) * | 2010-04-06 | 2013-10-16 | 胜德国际研发股份有限公司 | Recessed socket device |
| ES2427022B1 (en) * | 2012-04-25 | 2014-09-19 | Simón, S. A. | SUPPORT FOR ELECTRICAL DEVICES |
| JP6620988B2 (en) * | 2016-03-22 | 2019-12-18 | パナソニックＩｐマネジメント株式会社 | Wiring equipment |
| JP2018150756A (en) * | 2017-03-14 | 2018-09-27 | 美和ロック株式会社 | Lock/unlock device |
| CN106942917A (en) * | 2017-04-17 | 2017-07-14 | 东莞崧崴电子科技有限公司 | Convenient and practical type table cabinet with reversible power outlet |
| JP2020139653A (en) * | 2019-02-27 | 2020-09-03 | 日立グローバルライフソリューションズ株式会社 | refrigerator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0648001A2 (en) * | 1989-07-28 | 1995-04-12 | The Whitaker Corporation | Access flooring module |
| CN2515846Y (en) * | 2001-11-20 | 2002-10-09 | 施根方 | Spring type ground acoustic engineering box |
| CN1171357C (en) * | 1999-01-14 | 2004-10-13 | 松下电工株式会社 | Socket for telephone set |
| CN2891359Y (en) * | 2005-01-21 | 2007-04-18 | 松下电工株式会社 | Grounding socket apparatus |
-
2005
- 2005-01-21 JP JP2005014848A patent/JP4079150B2/en not_active Expired - Fee Related
- 2005-12-05 CN CN 200520143036 patent/CN2891359Y/en not_active Expired - Lifetime
- 2005-12-05 CN CN 200510129506 patent/CN1808809B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0648001A2 (en) * | 1989-07-28 | 1995-04-12 | The Whitaker Corporation | Access flooring module |
| CN1171357C (en) * | 1999-01-14 | 2004-10-13 | 松下电工株式会社 | Socket for telephone set |
| CN2515846Y (en) * | 2001-11-20 | 2002-10-09 | 施根方 | Spring type ground acoustic engineering box |
| CN2891359Y (en) * | 2005-01-21 | 2007-04-18 | 松下电工株式会社 | Grounding socket apparatus |
Non-Patent Citations (1)
| Title |
|---|
| JP平6-223912A 1994.08.12 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1808809A (en) | 2006-07-26 |
| JP4079150B2 (en) | 2008-04-23 |
| CN2891359Y (en) | 2007-04-18 |
| JP2006204047A (en) | 2006-08-03 |
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