AU106578B2 - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU106578B2
AU106578B2 AU4762/37A AU476237A AU106578B2 AU 106578 B2 AU106578 B2 AU 106578B2 AU 4762/37 A AU4762/37 A AU 4762/37A AU 476237 A AU476237 A AU 476237A AU 106578 B2 AU106578 B2 AU 106578B2
Authority
AU
Australia
Prior art keywords
relating
telephone systems
telephone
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
AU4762/37A
Other versions
AU476237A (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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
Filing date
Publication date
Application filed by Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Application granted granted Critical
Publication of AU106578B2 publication Critical patent/AU106578B2/en
Publication of AU476237A publication Critical patent/AU476237A/en
Expired legal-status Critical Current

Links

AU4762/37A 1937-11-05 Improvements in or relating to telephone systems Expired AU106578B2 (en)

Publications (2)

Publication Number Publication Date
AU106578B2 true AU106578B2 (en) 1939-02-16
AU476237A AU476237A (en) 1939-02-16

Family

ID=

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