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AU215124B2 - Improvements in automatic telephone exchanges - Google Patents

Improvements in automatic telephone exchanges

Info

Publication number
AU215124B2
AU215124B2 AU22023/56A AU2202356A AU215124B2 AU 215124 B2 AU215124 B2 AU 215124B2 AU 22023/56 A AU22023/56 A AU 22023/56A AU 2202356 A AU2202356 A AU 2202356A AU 215124 B2 AU215124 B2 AU 215124B2
Authority
AU
Australia
Prior art keywords
automatic telephone
telephone exchanges
exchanges
automatic
telephone
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
AU22023/56A
Other versions
AU2202356A (en
Inventor
Edward Hopley and Kervin George Collyer Horace
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Filing date
Publication date
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Application granted granted Critical
Publication of AU215124B2 publication Critical patent/AU215124B2/en
Publication of AU2202356A publication Critical patent/AU2202356A/en
Expired legal-status Critical Current

Links

AU22023/56A 1956-10-02 Improvements in automatic telephone exchanges Expired AU215124B2 (en)

Publications (2)

Publication Number Publication Date
AU215124B2 true AU215124B2 (en) 1957-04-04
AU2202356A AU2202356A (en) 1957-04-04

Family

ID=

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