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AU117526B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU117526B2
AU117526B2 AU6070/42A AU607042A AU117526B2 AU 117526 B2 AU117526 B2 AU 117526B2 AU 6070/42 A AU6070/42 A AU 6070/42A AU 607042 A AU607042 A AU 607042A AU 117526 B2 AU117526 B2 AU 117526B2
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
AU6070/42A
Other versions
AU607042A (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 AU117526B2 publication Critical patent/AU117526B2/en
Publication of AU607042A publication Critical patent/AU607042A/en
Expired legal-status Critical Current

Links

AU6070/42A 1942-07-17 Improvements relating to telephone systems Expired AU117526B2 (en)

Publications (2)

Publication Number Publication Date
AU117526B2 true AU117526B2 (en) 1943-09-30
AU607042A AU607042A (en) 1943-09-30

Family

ID=

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