AU141347B2 - Improvements in telephone switching and signalling systems - Google Patents

Improvements in telephone switching and signalling systems

Info

Publication number
AU141347B2
AU141347B2 AU10925/47A AU1092547A AU141347B2 AU 141347 B2 AU141347 B2 AU 141347B2 AU 10925/47 A AU10925/47 A AU 10925/47A AU 1092547 A AU1092547 A AU 1092547A AU 141347 B2 AU141347 B2 AU 141347B2
Authority
AU
Australia
Prior art keywords
telephone switching
signalling systems
signalling
systems
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
AU10925/47A
Other versions
AU1092547A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU1092547A publication Critical patent/AU1092547A/en
Publication of AU141347B2 publication Critical patent/AU141347B2/en
Expired legal-status Critical Current

Links

AU10925/47A 1947-03-25 Improvements in telephone switching and signalling systems Expired AU141347B2 (en)

Publications (2)

Publication Number Publication Date
AU1092547A AU1092547A (en) 1948-04-08
AU141347B2 true AU141347B2 (en) 1948-04-08

Family

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