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AU215690B2 - Improvements relating to automatic telephone systems andthe like - Google Patents
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AU215690B2 - Improvements relating to automatic telephone systems andthe like - Google Patents

Improvements relating to automatic telephone systems andthe like

Info

Publication number
AU215690B2
AU215690B2 AU24799/57A AU2479957A AU215690B2 AU 215690 B2 AU215690 B2 AU 215690B2 AU 24799/57 A AU24799/57 A AU 24799/57A AU 2479957 A AU2479957 A AU 2479957A AU 215690 B2 AU215690 B2 AU 215690B2
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
automatic telephone
andthe
systems andthe
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
AU24799/57A
Other versions
AU2479957A (en
Inventor
Edward Flood and Ronald Sydney Hopkins John
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.)
Siemens Edison Swan Ltd
Original Assignee
Siemens Edison Swan Ltd
Filing date
Publication date
Application filed by Siemens Edison Swan Ltd filed Critical Siemens Edison Swan Ltd
Application granted granted Critical
Publication of AU215690B2 publication Critical patent/AU215690B2/en
Publication of AU2479957A publication Critical patent/AU2479957A/en
Expired legal-status Critical Current

Links

AU24799/57A 1957-01-23 Improvements relating to automatic telephone systems andthe like Expired AU215690B2 (en)

Publications (2)

Publication Number Publication Date
AU215690B2 true AU215690B2 (en) 1957-07-25
AU2479957A AU2479957A (en) 1957-07-25

Family

ID=

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