AU2030629A - Switching arrangements for automatic and semiautomatic telephone exchange systems - Google Patents

Switching arrangements for automatic and semiautomatic telephone exchange systems

Info

Publication number
AU2030629A
AU2030629A AU20306/29A AU2030629A AU2030629A AU 2030629 A AU2030629 A AU 2030629A AU 20306/29 A AU20306/29 A AU 20306/29A AU 2030629 A AU2030629 A AU 2030629A AU 2030629 A AU2030629 A AU 2030629A
Authority
AU
Australia
Prior art keywords
automatic
telephone exchange
exchange systems
switching arrangements
semiautomatic telephone
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
AU20306/29A
Inventor
Philip Goodwin Wright Esmond
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 AU2030629A publication Critical patent/AU2030629A/en
Expired legal-status Critical Current

Links

AU20306/29A 1929-05-27 Switching arrangements for automatic and semiautomatic telephone exchange systems Expired AU2030629A (en)

Publications (1)

Publication Number Publication Date
AU2030629A true AU2030629A (en) 1930-06-10

Family

ID=

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