AU2630667A - Telephone signalling - Google Patents

Telephone signalling

Info

Publication number
AU2630667A
AU2630667A AU26306/67A AU2630667A AU2630667A AU 2630667 A AU2630667 A AU 2630667A AU 26306/67 A AU26306/67 A AU 26306/67A AU 2630667 A AU2630667 A AU 2630667A AU 2630667 A AU2630667 A AU 2630667A
Authority
AU
Australia
Prior art keywords
telephone signalling
signalling
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
AU26306/67A
Inventor
Gordon Wormald Ernest
Filing date
Publication date
Application filed filed Critical
Publication of AU2630667A publication Critical patent/AU2630667A/en
Expired legal-status Critical Current

Links

AU26306/67A 1967-08-23 Telephone signalling Expired AU2630667A (en)

Publications (1)

Publication Number Publication Date
AU2630667A true AU2630667A (en) 1970-03-26

Family

ID=

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