AU124108B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU124108B2
AU124108B2 AU17665/44A AU1766544A AU124108B2 AU 124108 B2 AU124108 B2 AU 124108B2 AU 17665/44 A AU17665/44 A AU 17665/44A AU 1766544 A AU1766544 A AU 1766544A AU 124108 B2 AU124108 B2 AU 124108B2
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
AU17665/44A
Other versions
AU1766544A (en
Inventor
Adam Christian David
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 AU124108B2 publication Critical patent/AU124108B2/en
Publication of AU1766544A publication Critical patent/AU1766544A/en
Expired legal-status Critical Current

Links

AU17665/44A 1944-11-20 Improvements relating to telephone systems Expired AU124108B2 (en)

Publications (2)

Publication Number Publication Date
AU124108B2 true AU124108B2 (en) 1947-05-08
AU1766544A AU1766544A (en) 1947-05-08

Family

ID=

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