AU164406B2 - Improvements in or relating to telephone or like systems - Google Patents

Improvements in or relating to telephone or like systems

Info

Publication number
AU164406B2
AU164406B2 AU18538/53A AU1853853A AU164406B2 AU 164406 B2 AU164406 B2 AU 164406B2 AU 18538/53 A AU18538/53 A AU 18538/53A AU 1853853 A AU1853853 A AU 1853853A AU 164406 B2 AU164406 B2 AU 164406B2
Authority
AU
Australia
Prior art keywords
telephone
relating
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
AU18538/53A
Other versions
AU1853853A (en
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.)
British Telecommunications Research Ltd
Original Assignee
British Telecommunications Research Ltd
Filing date
Publication date
Application filed by British Telecommunications Research Ltd filed Critical British Telecommunications Research Ltd
Application granted granted Critical
Publication of AU164406B2 publication Critical patent/AU164406B2/en
Publication of AU1853853A publication Critical patent/AU1853853A/en
Expired legal-status Critical Current

Links

AU18538/53A 1953-05-26 Improvements in or relating to telephone or like systems Expired AU164406B2 (en)

Publications (2)

Publication Number Publication Date
AU164406B2 true AU164406B2 (en) 1953-07-30
AU1853853A AU1853853A (en) 1953-07-30

Family

ID=

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