AU145329B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU145329B2
AU145329B2 AU24876/48A AU2487648A AU145329B2 AU 145329 B2 AU145329 B2 AU 145329B2 AU 24876/48 A AU24876/48 A AU 24876/48A AU 2487648 A AU2487648 A AU 2487648A AU 145329 B2 AU145329 B2 AU 145329B2
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
AU24876/48A
Other versions
AU2487648A (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 AU2487648A publication Critical patent/AU2487648A/en
Publication of AU145329B2 publication Critical patent/AU145329B2/en
Expired legal-status Critical Current

Links

AU24876/48A 1948-12-15 Improvements relating to telephone systems Expired AU145329B2 (en)

Publications (2)

Publication Number Publication Date
AU2487648A AU2487648A (en) 1949-01-13
AU145329B2 true AU145329B2 (en) 1949-01-13

Family

ID=

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