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AU139166B2 - Improvements in or relating to long distance telephone exchange systems - Google Patents

Improvements in or relating to long distance telephone exchange systems

Info

Publication number
AU139166B2
AU139166B2 AU13228/47A AU1322847A AU139166B2 AU 139166 B2 AU139166 B2 AU 139166B2 AU 13228/47 A AU13228/47 A AU 13228/47A AU 1322847 A AU1322847 A AU 1322847A AU 139166 B2 AU139166 B2 AU 139166B2
Authority
AU
Australia
Prior art keywords
relating
long distance
telephone exchange
exchange systems
distance 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
AU13228/47A
Other versions
AU1322847A (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 AU139166B2 publication Critical patent/AU139166B2/en
Publication of AU1322847A publication Critical patent/AU1322847A/en
Expired legal-status Critical Current

Links

AU13228/47A 1947-06-30 Improvements in or relating to long distance telephone exchange systems Expired AU139166B2 (en)

Publications (2)

Publication Number Publication Date
AU139166B2 true AU139166B2 (en) 1947-07-31
AU1322847A AU1322847A (en) 1947-07-31

Family

ID=

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