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AU205812B2 - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
AU205812B2
AU205812B2 AU15321/56A AU1532156A AU205812B2 AU 205812 B2 AU205812 B2 AU 205812B2 AU 15321/56 A AU15321/56 A AU 15321/56A AU 1532156 A AU1532156 A AU 1532156A AU 205812 B2 AU205812 B2 AU 205812B2
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
AU15321/56A
Other versions
AU1532156A (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 AU1532156A publication Critical patent/AU1532156A/en
Publication of AU205812B2 publication Critical patent/AU205812B2/en
Expired legal-status Critical Current

Links

AU15321/56A 1956-01-19 Improvements in telephone systems Expired AU205812B2 (en)

Publications (2)

Publication Number Publication Date
AU1532156A AU1532156A (en) 1956-07-19
AU205812B2 true AU205812B2 (en) 1956-07-19

Family

ID=

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