AU313738A - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU313738A
AU313738A AU3137/38A AU313738A AU313738A AU 313738 A AU313738 A AU 313738A AU 3137/38 A AU3137/38 A AU 3137/38A AU 313738 A AU313738 A AU 313738A AU 313738 A AU313738 A AU 313738A
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
telephone
relating
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
AU3137/38A
Other versions
AU107038B2 (en
Inventor
Anthony Henslee Bernard
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 Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Application granted granted Critical
Publication of AU313738A publication Critical patent/AU313738A/en
Publication of AU107038B2 publication Critical patent/AU107038B2/en
Expired legal-status Critical Current

Links

AU3137/38A 1938-07-25 Improvements relating to telephone systems Expired AU107038B2 (en)

Publications (2)

Publication Number Publication Date
AU313738A true AU313738A (en) 1939-04-06
AU107038B2 AU107038B2 (en) 1939-04-06

Family

ID=

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