AU402746A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU402746A
AU402746A AU4027/46A AU402746A AU402746A AU 402746 A AU402746 A AU 402746A AU 4027/46 A AU4027/46 A AU 4027/46A AU 402746 A AU402746 A AU 402746A AU 402746 A AU402746 A AU 402746A
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
AU4027/46A
Other versions
AU131553B2 (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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Filing date
Publication date
Application granted granted Critical
Publication of AU131553B2 publication Critical patent/AU131553B2/en
Publication of AU402746A publication Critical patent/AU402746A/en
Application filed by Automatic Electric Laboratories Inc filed Critical Automatic Electric Laboratories Inc
Expired legal-status Critical Current

Links

AU4027/46A 1946-06-03 Improvements in or relating to telephone systems Expired AU131553B2 (en)

Publications (2)

Publication Number Publication Date
AU131553B2 AU131553B2 (en) 1945-06-07
AU402746A true AU402746A (en) 1945-06-07

Family

ID=

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