AU124347B2 - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU124347B2
AU124347B2 AU17022/44A AU1702244A AU124347B2 AU 124347 B2 AU124347 B2 AU 124347B2 AU 17022/44 A AU17022/44 A AU 17022/44A AU 1702244 A AU1702244 A AU 1702244A AU 124347 B2 AU124347 B2 AU 124347B2
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
AU17022/44A
Other versions
AU1702244A (en
Inventor
Jay Ray Arthur
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 filed by Automatic Electric Laboratories Inc filed Critical Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of AU124347B2 publication Critical patent/AU124347B2/en
Publication of AU1702244A publication Critical patent/AU1702244A/en
Expired legal-status Critical Current

Links

AU17022/44A 1944-10-18 Improvements in or relating to telephone systems Expired AU124347B2 (en)

Publications (2)

Publication Number Publication Date
AU124347B2 true AU124347B2 (en) 1947-06-05
AU1702244A AU1702244A (en) 1947-06-05

Family

ID=

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