AU201562B2 - Improvements in or relating to electrical signalling systems - Google Patents

Improvements in or relating to electrical signalling systems

Info

Publication number
AU201562B2
AU201562B2 AU3138/54A AU313854A AU201562B2 AU 201562 B2 AU201562 B2 AU 201562B2 AU 3138/54 A AU3138/54 A AU 3138/54A AU 313854 A AU313854 A AU 313854A AU 201562 B2 AU201562 B2 AU 201562B2
Authority
AU
Australia
Prior art keywords
relating
signalling systems
electrical signalling
electrical
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
AU3138/54A
Other versions
AU313854A (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 AU201562B2 publication Critical patent/AU201562B2/en
Publication of AU313854A publication Critical patent/AU313854A/en
Expired legal-status Critical Current

Links

AU3138/54A 1954-09-16 Improvements in or relating to electrical signalling systems Expired AU201562B2 (en)

Publications (2)

Publication Number Publication Date
AU201562B2 true AU201562B2 (en) 1955-03-17
AU313854A AU313854A (en) 1955-03-17

Family

ID=

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