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AU153978B2 - Improvements in or relating to telecommunication exchange systems - Google Patents

Improvements in or relating to telecommunication exchange systems

Info

Publication number
AU153978B2
AU153978B2 AU53/51A AU5351A AU153978B2 AU 153978 B2 AU153978 B2 AU 153978B2 AU 53/51 A AU53/51 A AU 53/51A AU 5351 A AU5351 A AU 5351A AU 153978 B2 AU153978 B2 AU 153978B2
Authority
AU
Australia
Prior art keywords
relating
exchange systems
telecommunication exchange
telecommunication
systems
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
AU53/51A
Other versions
AU5351A (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.)
Standard Telehpones And Cables Pty Ltd
Original Assignee
Standard Telehpones And Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telehpones And Cables Pty Ltd filed Critical Standard Telehpones And Cables Pty Ltd
Application granted granted Critical
Publication of AU153978B2 publication Critical patent/AU153978B2/en
Publication of AU5351A publication Critical patent/AU5351A/en
Expired legal-status Critical Current

Links

AU53/51A 1951-01-04 Improvements in or relating to telecommunication exchange systems Expired AU153978B2 (en)

Publications (2)

Publication Number Publication Date
AU153978B2 true AU153978B2 (en) 1951-03-08
AU5351A AU5351A (en) 1951-03-08

Family

ID=

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