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AU219804B2 - Improvements relating to automatic telephone and like signalling systems - Google Patents
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AU219804B2 - Improvements relating to automatic telephone and like signalling systems - Google Patents

Improvements relating to automatic telephone and like signalling systems

Info

Publication number
AU219804B2
AU219804B2 AU30086/57A AU3008657A AU219804B2 AU 219804 B2 AU219804 B2 AU 219804B2 AU 30086/57 A AU30086/57 A AU 30086/57A AU 3008657 A AU3008657 A AU 3008657A AU 219804 B2 AU219804 B2 AU 219804B2
Authority
AU
Australia
Prior art keywords
improvements relating
automatic telephone
signalling systems
signalling
systems
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
AU30086/57A
Other versions
AU3008657A (en
Inventor
James Warman Bloomfield
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 AU3008657A publication Critical patent/AU3008657A/en
Publication of AU219804B2 publication Critical patent/AU219804B2/en
Expired legal-status Critical Current

Links

AU30086/57A 1957-08-01 Improvements relating to automatic telephone and like signalling systems Expired AU219804B2 (en)

Publications (2)

Publication Number Publication Date
AU3008657A AU3008657A (en) 1958-02-06
AU219804B2 true AU219804B2 (en) 1958-02-06

Family

ID=

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