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AU112491B2 - Improvements in or relating to telephone andother electric communication systems - Google Patents
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AU112491B2 - Improvements in or relating to telephone andother electric communication systems - Google Patents

Improvements in or relating to telephone andother electric communication systems

Info

Publication number
AU112491B2
AU112491B2 AU3571/39A AU357139A AU112491B2 AU 112491 B2 AU112491 B2 AU 112491B2 AU 3571/39 A AU3571/39 A AU 3571/39A AU 357139 A AU357139 A AU 357139A AU 112491 B2 AU112491 B2 AU 112491B2
Authority
AU
Australia
Prior art keywords
andother
telephone
relating
communication systems
electric communication
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
AU3571/39A
Other versions
AU357139A (en
Inventor
Helmert Robert
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.)
C Lorenz AG
Original Assignee
C Lorenz AG
Filing date
Publication date
Application filed by C Lorenz AG filed Critical C Lorenz AG
Application granted granted Critical
Publication of AU357139A publication Critical patent/AU357139A/en
Publication of AU112491B2 publication Critical patent/AU112491B2/en
Expired legal-status Critical Current

Links

AU3571/39A 1939-08-02 Improvements in or relating to telephone andother electric communication systems Expired AU112491B2 (en)

Publications (2)

Publication Number Publication Date
AU357139A AU357139A (en) 1939-08-04
AU112491B2 true AU112491B2 (en) 1939-08-04

Family

ID=

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