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AU3008657A - Improvements relating to automatic telephone and like signalling systems - Google Patents

Improvements relating to automatic telephone and like signalling systems

Info

Publication number
AU3008657A
AU3008657A AU30086/57A AU3008657A AU3008657A AU 3008657 A AU3008657 A AU 3008657A AU 30086/57 A AU30086/57 A AU 30086/57A AU 3008657 A AU3008657 A AU 3008657A AU 3008657 A AU3008657 A AU 3008657A
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
AU219804B2 (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 AU219804B2 publication Critical patent/AU219804B2/en
Publication of AU3008657A publication Critical patent/AU3008657A/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
AU219804B2 AU219804B2 (en) 1958-02-06
AU3008657A true AU3008657A (en) 1958-02-06

Family

ID=

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