AU1908429A - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU1908429A
AU1908429A AU19084/29A AU1908429A AU1908429A AU 1908429 A AU1908429 A AU 1908429A AU 19084/29 A AU19084/29 A AU 19084/29A AU 1908429 A AU1908429 A AU 1908429A AU 1908429 A AU1908429 A AU 1908429A
Authority
AU
Australia
Prior art keywords
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
AU19084/29A
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Publication of AU1908429A publication Critical patent/AU1908429A/en
Expired legal-status Critical Current

Links

AU19084/29A 1929-03-25 Improvements in telephone systems Expired AU1908429A (en)

Publications (1)

Publication Number Publication Date
AU1908429A true AU1908429A (en) 1930-05-06

Family

ID=

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