AU202358B2 - Improvements in or relating to electrical signalling systems - Google Patents

Improvements in or relating to electrical signalling systems

Info

Publication number
AU202358B2
AU202358B2 AU5204/54A AU520454A AU202358B2 AU 202358 B2 AU202358 B2 AU 202358B2 AU 5204/54 A AU5204/54 A AU 5204/54A AU 520454 A AU520454 A AU 520454A AU 202358 B2 AU202358 B2 AU 202358B2
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
AU5204/54A
Other versions
AU520454A (en
Inventor
Harry Bray and Ronald George Knight Frederick
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU520454A publication Critical patent/AU520454A/en
Publication of AU202358B2 publication Critical patent/AU202358B2/en
Expired legal-status Critical Current

Links

AU5204/54A 1954-12-03 Improvements in or relating to electrical signalling systems Expired AU202358B2 (en)

Publications (2)

Publication Number Publication Date
AU520454A AU520454A (en) 1955-06-09
AU202358B2 true AU202358B2 (en) 1955-06-09

Family

ID=

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