AU2554257A - Improvements relating to automatic telephone exchanges and like selective systems - Google Patents

Improvements relating to automatic telephone exchanges and like selective systems

Info

Publication number
AU2554257A
AU2554257A AU25542/57A AU2554257A AU2554257A AU 2554257 A AU2554257 A AU 2554257A AU 25542/57 A AU25542/57 A AU 25542/57A AU 2554257 A AU2554257 A AU 2554257A AU 2554257 A AU2554257 A AU 2554257A
Authority
AU
Australia
Prior art keywords
improvements relating
automatic telephone
telephone exchanges
selective systems
selective
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
AU25542/57A
Other versions
AU216672B2 (en
Inventor
James Warman and Douglas McKinley Bibb 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 AU2554257A publication Critical patent/AU2554257A/en
Publication of AU216672B2 publication Critical patent/AU216672B2/en
Expired legal-status Critical Current

Links

AU25542/57A 1957-02-19 Improvements relating to automatic telephone exchanges and like selective systems Expired AU216672B2 (en)

Publications (2)

Publication Number Publication Date
AU2554257A true AU2554257A (en) 1957-08-22
AU216672B2 AU216672B2 (en) 1957-08-22

Family

ID=

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