AU250258B2 - Improvements relating to automatic telephone exchange systems - Google Patents

Improvements relating to automatic telephone exchange systems

Info

Publication number
AU250258B2
AU250258B2 AU280/61A AU28061A AU250258B2 AU 250258 B2 AU250258 B2 AU 250258B2 AU 280/61 A AU280/61 A AU 280/61A AU 28061 A AU28061 A AU 28061A AU 250258 B2 AU250258 B2 AU 250258B2
Authority
AU
Australia
Prior art keywords
telephone exchange
improvements relating
automatic telephone
exchange systems
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
AU280/61A
Other versions
AU28061A (en
Inventor
John Conrad Cartwright and John Herbert Marshall Douglas Perey Long
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Application granted granted Critical
Publication of AU28061A publication Critical patent/AU28061A/en
Publication of AU250258B2 publication Critical patent/AU250258B2/en
Expired legal-status Critical Current

Links

AU280/61A 1960-01-18 1961-01-11 Improvements relating to automatic telephone exchange systems Expired AU250258B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1772/60 1960-01-18

Publications (2)

Publication Number Publication Date
AU28061A AU28061A (en) 1963-01-17
AU250258B2 true AU250258B2 (en) 1963-01-17

Family

ID=

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