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AU114433B2 - Improvements in or relating to carrier telephone and signalling systems - Google Patents
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AU114433B2 - Improvements in or relating to carrier telephone and signalling systems - Google Patents

Improvements in or relating to carrier telephone and signalling systems

Info

Publication number
AU114433B2
AU114433B2 AU4323/40A AU432340A AU114433B2 AU 114433 B2 AU114433 B2 AU 114433B2 AU 4323/40 A AU4323/40 A AU 4323/40A AU 432340 A AU432340 A AU 432340A AU 114433 B2 AU114433 B2 AU 114433B2
Authority
AU
Australia
Prior art keywords
relating
signalling systems
carrier telephone
telephone
carrier
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
AU4323/40A
Other versions
AU432340A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU114433B2 publication Critical patent/AU114433B2/en
Publication of AU432340A publication Critical patent/AU432340A/en
Expired legal-status Critical Current

Links

AU4323/40A 1940-12-18 Improvements in or relating to carrier telephone and signalling systems Expired AU114433B2 (en)

Publications (2)

Publication Number Publication Date
AU114433B2 true AU114433B2 (en) 1942-01-10
AU432340A AU432340A (en) 1942-01-10

Family

ID=

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