AU112744B2 - Improvements in or relating to telephone exchange systems - Google Patents

Improvements in or relating to telephone exchange systems

Info

Publication number
AU112744B2
AU112744B2 AU649/40A AU64940A AU112744B2 AU 112744 B2 AU112744 B2 AU 112744B2 AU 649/40 A AU649/40 A AU 649/40A AU 64940 A AU64940 A AU 64940A AU 112744 B2 AU112744 B2 AU 112744B2
Authority
AU
Australia
Prior art keywords
relating
telephone exchange
exchange systems
systems
telephone
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
AU649/40A
Other versions
AU64940A (en
Inventor
Leonard Powell Lowry George Everett Peters Esmond Philip Goodwin Wright
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 AU64940A publication Critical patent/AU64940A/en
Publication of AU112744B2 publication Critical patent/AU112744B2/en
Expired legal-status Critical Current

Links

AU649/40A 1940-02-17 Improvements in or relating to telephone exchange systems Expired AU112744B2 (en)

Publications (2)

Publication Number Publication Date
AU64940A AU64940A (en) 1941-03-27
AU112744B2 true AU112744B2 (en) 1941-03-27

Family

ID=

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