AU2577530A - Circuit arrangements for automatic or semi-automatic telephone exchange systems - Google Patents

Circuit arrangements for automatic or semi-automatic telephone exchange systems

Info

Publication number
AU2577530A
AU2577530A AU25775/30A AU2577530A AU2577530A AU 2577530 A AU2577530 A AU 2577530A AU 25775/30 A AU25775/30 A AU 25775/30A AU 2577530 A AU2577530 A AU 2577530A AU 2577530 A AU2577530 A AU 2577530A
Authority
AU
Australia
Prior art keywords
automatic
semi
telephone exchange
circuit arrangements
exchange 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
AU25775/30A
Other versions
AU2577530B (en
Inventor
Charles de Vriendt and Ernest Jean Rousseau all uf France William Hatton
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
Priority to AU25775/30A priority Critical patent/AU2577530B/en
Priority claimed from AU25775/30A external-priority patent/AU2577530B/en
Publication of AU2577530A publication Critical patent/AU2577530A/en
Publication of AU2577530B publication Critical patent/AU2577530B/en
Expired legal-status Critical Current

Links

AU25775/30A 1930-03-21 1930-03-21 Circuit arrangements for automatic or semi-automatic telephone exchange systems Expired AU2577530B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25775/30A AU2577530B (en) 1930-03-21 1930-03-21 Circuit arrangements for automatic or semi-automatic telephone exchange systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU25775/30A AU2577530B (en) 1930-03-21 1930-03-21 Circuit arrangements for automatic or semi-automatic telephone exchange systems

Publications (2)

Publication Number Publication Date
AU2577530A true AU2577530A (en) 1931-03-26
AU2577530B AU2577530B (en) 1931-03-26

Family

ID=63368217

Family Applications (1)

Application Number Title Priority Date Filing Date
AU25775/30A Expired AU2577530B (en) 1930-03-21 1930-03-21 Circuit arrangements for automatic or semi-automatic telephone exchange systems

Country Status (1)

Country Link
AU (1) AU2577530B (en)

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