AU194411A - Improvements in semiautomatic telephone systems - Google Patents

Improvements in semiautomatic telephone systems

Info

Publication number
AU194411A
AU194411A AU1944/11A AU194411A AU194411A AU 194411 A AU194411 A AU 194411A AU 1944/11 A AU1944/11 A AU 1944/11A AU 194411 A AU194411 A AU 194411A AU 194411 A AU194411 A AU 194411A
Authority
AU
Australia
Prior art keywords
telephone systems
semiautomatic telephone
semiautomatic
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
AU1944/11A
Filing date
Publication date
Application filed filed Critical
Publication of AU194411A publication Critical patent/AU194411A/en
Expired legal-status Critical Current

Links

AU1944/11A 1911-07-26 Improvements in semiautomatic telephone systems Expired AU194411A (en)

Publications (1)

Publication Number Publication Date
AU194411A true AU194411A (en) 1911-08-01

Family

ID=

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