AU107035B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU107035B2
AU107035B2 AU3134/38A AU313438A AU107035B2 AU 107035 B2 AU107035 B2 AU 107035B2 AU 3134/38 A AU3134/38 A AU 3134/38A AU 313438 A AU313438 A AU 313438A AU 107035 B2 AU107035 B2 AU 107035B2
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
AU3134/38A
Other versions
AU313438A (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.)
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 AU313438A publication Critical patent/AU313438A/en
Publication of AU107035B2 publication Critical patent/AU107035B2/en
Expired legal-status Critical Current

Links

AU3134/38A 1938-07-25 Improvements relating to telephone systems Expired AU107035B2 (en)

Publications (2)

Publication Number Publication Date
AU313438A AU313438A (en) 1939-04-06
AU107035B2 true AU107035B2 (en) 1939-04-06

Family

ID=

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