AU2531930B - Circuit arrangements for automatic and semiautomatic telephone exchange systems - Google Patents

Circuit arrangements for automatic and semiautomatic telephone exchange systems

Info

Publication number
AU2531930B
AU2531930B AU25319/30A AU2531930A AU2531930B AU 2531930 B AU2531930 B AU 2531930B AU 25319/30 A AU25319/30 A AU 25319/30A AU 2531930 A AU2531930 A AU 2531930A AU 2531930 B AU2531930 B AU 2531930B
Authority
AU
Australia
Prior art keywords
automatic
telephone exchange
circuit arrangements
exchange systems
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
AU25319/30A
Other versions
AU2531930A (en
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Priority to AU25319/30A priority Critical patent/AU2531930A/en
Priority claimed from AU25319/30A external-priority patent/AU2531930A/en
Publication of AU2531930B publication Critical patent/AU2531930B/en
Publication of AU2531930A publication Critical patent/AU2531930A/en
Expired legal-status Critical Current

Links

AU25319/30A 1930-02-24 Circuit arrangements for automatic and semiautomatic telephone exchange systems Expired AU2531930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25319/30A AU2531930A (en) 1930-02-24 Circuit arrangements for automatic and semiautomatic telephone exchange systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU25319/30A AU2531930A (en) 1930-02-24 Circuit arrangements for automatic and semiautomatic telephone exchange systems

Publications (2)

Publication Number Publication Date
AU2531930B true AU2531930B (en) 1931-06-04
AU2531930A AU2531930A (en) 1931-06-04

Family

ID=

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