AU2704930A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU2704930A
AU2704930A AU27049/30A AU2704930A AU2704930A AU 2704930 A AU2704930 A AU 2704930A AU 27049/30 A AU27049/30 A AU 27049/30A AU 2704930 A AU2704930 A AU 2704930A AU 2704930 A AU2704930 A AU 2704930A
Authority
AU
Australia
Prior art keywords
relating
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
AU27049/30A
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.)
Automatic Telephone Manufacturing Co Ltd
Original Assignee
Automatic Telephone Manufacturing Co Ltd
Filing date
Publication date
Application filed by Automatic Telephone Manufacturing Co Ltd filed Critical Automatic Telephone Manufacturing Co Ltd
Publication of AU2704930A publication Critical patent/AU2704930A/en
Expired legal-status Critical Current

Links

AU27049/30A 1930-06-02 Improvements in or relating to telephone systems Expired AU2704930A (en)

Publications (1)

Publication Number Publication Date
AU2704930A true AU2704930A (en) 1931-05-28

Family

ID=

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