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AU1074723A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU1074723A
AU1074723A AU10747/23A AU1074723A AU1074723A AU 1074723 A AU1074723 A AU 1074723A AU 10747/23 A AU10747/23 A AU 10747/23A AU 1074723 A AU1074723 A AU 1074723A AU 1074723 A AU1074723 A AU 1074723A
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
AU10747/23A
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 Co
Original Assignee
Automatic Electric Co
Publication date
Publication of AU1074723A publication Critical patent/AU1074723A/en
Expired legal-status Critical Current

Links

AU10747/23A Improvements in or relating to telephone systems Expired AU1074723A (en)

Publications (1)

Publication Number Publication Date
AU1074723A true AU1074723A (en) 1923-04-06

Family

ID=

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