AU207899B2 - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU207899B2
AU207899B2 AU8275/55A AU827555A AU207899B2 AU 207899 B2 AU207899 B2 AU 207899B2 AU 8275/55 A AU8275/55 A AU 8275/55A AU 827555 A AU827555 A AU 827555A AU 207899 B2 AU207899 B2 AU 207899B2
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
AU8275/55A
Other versions
AU827555A (en
Inventor
Gordon Pearce and Derek Hurst James
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 AU207899B2 publication Critical patent/AU207899B2/en
Publication of AU827555A publication Critical patent/AU827555A/en
Expired legal-status Critical Current

Links

AU8275/55A 1955-04-12 Improvements in telephone systems Expired AU207899B2 (en)

Publications (2)

Publication Number Publication Date
AU207899B2 true AU207899B2 (en) 1955-10-13
AU827555A AU827555A (en) 1955-10-13

Family

ID=

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