AU218394B2 - Improvements in or relating to telecommunication exchange systems - Google Patents

Improvements in or relating to telecommunication exchange systems

Info

Publication number
AU218394B2
AU218394B2 AU31221/57A AU3122157A AU218394B2 AU 218394 B2 AU218394 B2 AU 218394B2 AU 31221/57 A AU31221/57 A AU 31221/57A AU 3122157 A AU3122157 A AU 3122157A AU 218394 B2 AU218394 B2 AU 218394B2
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
AU31221/57A
Other versions
AU3122157A (en
Inventor
Arthur Barfield King John
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 AU218394B2 publication Critical patent/AU218394B2/en
Publication of AU3122157A publication Critical patent/AU3122157A/en
Expired legal-status Critical Current

Links

AU31221/57A 1957-09-13 Improvements in or relating to telecommunication exchange systems Expired AU218394B2 (en)

Publications (2)

Publication Number Publication Date
AU218394B2 true AU218394B2 (en) 1958-03-13
AU3122157A AU3122157A (en) 1958-03-13

Family

ID=

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