[go: up one dir, main page]

AU155487B2 - improvements in or relating to telecommunication exchanges - Google Patents

improvements in or relating to telecommunication exchanges

Info

Publication number
AU155487B2
AU155487B2 AU443/51A AU44351A AU155487B2 AU 155487 B2 AU155487 B2 AU 155487B2 AU 443/51 A AU443/51 A AU 443/51A AU 44351 A AU44351 A AU 44351A AU 155487 B2 AU155487 B2 AU 155487B2
Authority
AU
Australia
Prior art keywords
relating
telecommunication exchanges
telecommunication
exchanges
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU443/51A
Other versions
AU44351A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU44351A publication Critical patent/AU44351A/en
Publication of AU155487B2 publication Critical patent/AU155487B2/en
Expired legal-status Critical Current

Links

AU443/51A 1951-01-25 improvements in or relating to telecommunication exchanges Expired AU155487B2 (en)

Publications (2)

Publication Number Publication Date
AU44351A AU44351A (en) 1951-04-05
AU155487B2 true AU155487B2 (en) 1951-04-05

Family

ID=

Similar Documents

Publication Publication Date Title
AU155487B2 (en) improvements in or relating to telecommunication exchanges
AU44351A (en) improvements in or relating to telecommunication exchanges
AU153573B2 (en) Improvements in or relating to telecommunication exchanges
AU3704550A (en) Improvements in or relating to telecommunication exchanges
AU151581B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU154139B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU159791B2 (en) Improvement in or relating to automatic exchanges
AU153978B2 (en) Improvements in or relating to telecommunication exchange systems
AU3302950A (en) Improvements in or relating to automatic telecommunication exchanges
AU3543850A (en) Improvements in or relating to automatic telecommunication exchanges
AU506651A (en) Improvement in or relating to automatic exchanges
AU158965B2 (en) Improvements in or relating to coding devices for automatic telephone exchanges
AU164537B2 (en) Improvements in or relating to telecommunication exchanges
AU154451B2 (en) Improvements in or relating to telephone subscriber sets
AU228460B2 (en) Improvements in or relating to loudspeaking telephone instruments
AU5351A (en) Improvements in or relating to telecommunication exchange systems
AU164586B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU508051A (en) Improvements in or relating to coding devices for automatic telephone exchanges
AU153789B2 (en) Improvements in or relating to telecommunication systems
AU3569658A (en) Improvements in or relating to loudspeaking telephone instruments
AU1403052A (en) Improvements in or relating to automatic telecommunication exchanges
AU151953B2 (en) Improvements in or relating to intercommunication telephone systems
AU150127B2 (en) Improvements in or relating to intercommunication telephone systems
AU156986B2 (en) Improvements in or relating to 4-amino-5-arylpyrimidines
AU152726B2 (en) Improvements in or relating to wellpoints