AU1391528A - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU1391528A
AU1391528A AU13915/28A AU1391528A AU1391528A AU 1391528 A AU1391528 A AU 1391528A AU 13915/28 A AU13915/28 A AU 13915/28A AU 1391528 A AU1391528 A AU 1391528A AU 1391528 A AU1391528 A AU 1391528A
Authority
AU
Australia
Prior art keywords
telephone systems
telephone
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
AU13915/28A
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
Publication of AU1391528A publication Critical patent/AU1391528A/en
Expired legal-status Critical Current

Links

AU13915/28A 1929-06-18 Improvements in telephone systems Expired AU1391528A (en)

Publications (1)

Publication Number Publication Date
AU1391528A true AU1391528A (en) 1929-07-02

Family

ID=

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