AU2246025A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU2246025A
AU2246025A AU22460/25A AU2246025A AU2246025A AU 2246025 A AU2246025 A AU 2246025A AU 22460/25 A AU22460/25 A AU 22460/25A AU 2246025 A AU2246025 A AU 2246025A AU 2246025 A AU2246025 A AU 2246025A
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
AU22460/25A
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
Filing date
Publication date
Application filed by Automatic Electric Co filed Critical Automatic Electric Co
Publication of AU2246025A publication Critical patent/AU2246025A/en
Expired legal-status Critical Current

Links

AU22460/25A 1925-03-28 Improvements in or relating to telephone systems Expired AU2246025A (en)

Publications (1)

Publication Number Publication Date
AU2246025A true AU2246025A (en) 1925-03-30

Family

ID=

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