AU1269328A - Improvements' in or relating to telephone systems - Google Patents

Improvements' in or relating to telephone systems

Info

Publication number
AU1269328A
AU1269328A AU12693/28A AU1269328A AU1269328A AU 1269328 A AU1269328 A AU 1269328A AU 12693/28 A AU12693/28 A AU 12693/28A AU 1269328 A AU1269328 A AU 1269328A AU 1269328 A AU1269328 A AU 1269328A
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
AU12693/28A
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 Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Filing date
Publication date
Application filed by Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Publication of AU1269328A publication Critical patent/AU1269328A/en
Expired legal-status Critical Current

Links

AU12693/28A 1928-04-05 Improvements' in or relating to telephone systems Expired AU1269328A (en)

Publications (1)

Publication Number Publication Date
AU1269328A true AU1269328A (en) 1929-01-29

Family

ID=

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