Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F42—AMMUNITION; BLASTING
  • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
  • F42B3/00—Blasting cartridges, i.e. case and explosive
  • F42B3/10—Initiators therefor
  • F42B3/195—Manufacture
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F42—AMMUNITION; BLASTING
  • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
  • F42B39/00—Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
  • F42B39/30—Containers for detonators or fuzes
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M9/00—Arrangements for interconnection not involving centralised switching
  • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
  • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
  • H04M9/007—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line wherein the key telephone sets are star-connected to a central unit by a limited number of lines
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04Q—SELECTING
  • H04Q3/00—Selecting arrangements
  • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
  • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
  • H04Q3/625—Arrangements in the private branch exchange

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Physics & Mathematics (AREA)
• Astronomy & Astrophysics (AREA)
• General Physics & Mathematics (AREA)
• Computer Networks & Wireless Communication (AREA)
• Manufacturing & Machinery (AREA)
• Sub-Exchange Stations And Push- Button Telephones (AREA)
• Telephonic Communication Services (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=6138822

Family Applications (1)

Country Status (7)

Cited By (1)

• 1979
  • 1979-06-11 AT AT0414979A patent/AT377606B/en not_active IP Right Cessation
• 1981
  • 1981-08-07 DE DE19813131299 patent/DE3131299A1/en not_active Ceased
• 1982
  • 1982-06-28 NO NO822201A patent/NO822201L/en unknown
  • 1982-07-30 AR AR290162A patent/AR229427A1/en active
  • 1982-08-06 FI FI822746A patent/FI822746L/en not_active Application Discontinuation
  • 1982-08-06 AU AU86920/82A patent/AU547363B2/en not_active Expired - Fee Related
  • 1982-08-06 BR BR8204653A patent/BR8204653A/en unknown

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