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AU204380B2 - Improvements in private automatic exchanges - Google Patents
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AU204380B2 - Improvements in private automatic exchanges - Google Patents

Improvements in private automatic exchanges

Info

Publication number
AU204380B2
AU204380B2 AU14452/55A AU1445255A AU204380B2 AU 204380 B2 AU204380 B2 AU 204380B2 AU 14452/55 A AU14452/55 A AU 14452/55A AU 1445255 A AU1445255 A AU 1445255A AU 204380 B2 AU204380 B2 AU 204380B2
Authority
AU
Australia
Prior art keywords
private automatic
automatic exchanges
exchanges
private
automatic
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
AU14452/55A
Other versions
AU1445255A (en
Inventor
Bertie Johnson Benjamin
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.)
Telephone Manufacturing Co Ltd
Original Assignee
Telephone Manufacturing Co Ltd
Filing date
Publication date
Application filed by Telephone Manufacturing Co Ltd filed Critical Telephone Manufacturing Co Ltd
Application granted granted Critical
Publication of AU204380B2 publication Critical patent/AU204380B2/en
Publication of AU1445255A publication Critical patent/AU1445255A/en
Expired legal-status Critical Current

Links

AU14452/55A 1955-12-14 Improvements in private automatic exchanges Expired AU204380B2 (en)

Publications (2)

Publication Number Publication Date
AU204380B2 true AU204380B2 (en) 1956-06-21
AU1445255A AU1445255A (en) 1956-06-21

Family

ID=

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