AU3285357A - Improvements relating to telephone instruments - Google Patents

Improvements relating to telephone instruments

Info

Publication number
AU3285357A
AU3285357A AU32853/57A AU3285357A AU3285357A AU 3285357 A AU3285357 A AU 3285357A AU 32853/57 A AU32853/57 A AU 32853/57A AU 3285357 A AU3285357 A AU 3285357A AU 3285357 A AU3285357 A AU 3285357A
Authority
AU
Australia
Prior art keywords
improvements relating
telephone instruments
instruments
telephone
relating
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
AU32853/57A
Other versions
AU224441B2 (en
Inventor
Ernest Charles Brown Ronald
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.)
Siemens Edison Swan Ltd
Original Assignee
Siemens Edison Swan Ltd
Filing date
Publication date
Application filed by Siemens Edison Swan Ltd filed Critical Siemens Edison Swan Ltd
Application granted granted Critical
Publication of AU224441B2 publication Critical patent/AU224441B2/en
Publication of AU3285357A publication Critical patent/AU3285357A/en
Expired legal-status Critical Current

Links

AU32853/57A 1957-11-11 Improvements relating to telephone instruments Expired AU224441B2 (en)

Publications (2)

Publication Number Publication Date
AU224441B2 AU224441B2 (en) 1959-05-15
AU3285357A true AU3285357A (en) 1959-05-15

Family

ID=

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