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TW472820U - Improved structure of fireproof door - Google Patents

Improved structure of fireproof door

Info

Publication number
TW472820U
TW472820U TW90212500U TW90212500U TW472820U TW 472820 U TW472820 U TW 472820U TW 90212500 U TW90212500 U TW 90212500U TW 90212500 U TW90212500 U TW 90212500U TW 472820 U TW472820 U TW 472820U
Authority
TW
Taiwan
Prior art keywords
improved structure
fireproof door
fireproof
door
improved
Prior art date
Application number
TW90212500U
Other languages
Chinese (zh)
Inventor
Ching-Liang Guo
Original Assignee
Ching-Liang Guo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ching-Liang Guo filed Critical Ching-Liang Guo
Priority to TW90212500U priority Critical patent/TW472820U/en
Publication of TW472820U publication Critical patent/TW472820U/en

Links

TW90212500U 2001-07-19 2001-07-19 Improved structure of fireproof door TW472820U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW90212500U TW472820U (en) 2001-07-19 2001-07-19 Improved structure of fireproof door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW90212500U TW472820U (en) 2001-07-19 2001-07-19 Improved structure of fireproof door

Publications (1)

Publication Number Publication Date
TW472820U true TW472820U (en) 2002-01-11

Family

ID=21685429

Family Applications (1)

Application Number Title Priority Date Filing Date
TW90212500U TW472820U (en) 2001-07-19 2001-07-19 Improved structure of fireproof door

Country Status (1)

Country Link
TW (1) TW472820U (en)

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees