AU242640B2 - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU242640B2
AU242640B2 AU62885/60A AU6288560A AU242640B2 AU 242640 B2 AU242640 B2 AU 242640B2 AU 62885/60 A AU62885/60 A AU 62885/60A AU 6288560 A AU6288560 A AU 6288560A AU 242640 B2 AU242640 B2 AU 242640B2
Authority
AU
Australia
Prior art keywords
telephone systems
telephone
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
AU62885/60A
Other versions
AU6288560A (en
Inventor
Varey Paris Howard
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 AU6288560A publication Critical patent/AU6288560A/en
Publication of AU242640B2 publication Critical patent/AU242640B2/en
Expired legal-status Critical Current

Links

AU62885/60A 1960-07-26 Improvements in telephone systems Expired AU242640B2 (en)

Publications (2)

Publication Number Publication Date
AU6288560A AU6288560A (en) 1961-01-26
AU242640B2 true AU242640B2 (en) 1961-01-26

Family

ID=

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