AU142865B2 - Improvements in and relating to electrical signalling systems - Google Patents

Improvements in and relating to electrical signalling systems

Info

Publication number
AU142865B2
AU142865B2 AU24839/48A AU2483948A AU142865B2 AU 142865 B2 AU142865 B2 AU 142865B2 AU 24839/48 A AU24839/48 A AU 24839/48A AU 2483948 A AU2483948 A AU 2483948A AU 142865 B2 AU142865 B2 AU 142865B2
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
AU24839/48A
Other versions
AU2483948A (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.)
Metropolitan Vickers Electrical Co Ltd
Original Assignee
Metropolitan Vickers Electrical Co Ltd
Filing date
Publication date
Application filed by Metropolitan Vickers Electrical Co Ltd filed Critical Metropolitan Vickers Electrical Co Ltd
Application granted granted Critical
Publication of AU142865B2 publication Critical patent/AU142865B2/en
Publication of AU2483948A publication Critical patent/AU2483948A/en
Expired legal-status Critical Current

Links

AU24839/48A 1948-12-13 Improvements in and relating to electrical signalling systems Expired AU142865B2 (en)

Publications (2)

Publication Number Publication Date
AU142865B2 true AU142865B2 (en) 1949-01-13
AU2483948A AU2483948A (en) 1949-01-13

Family

ID=

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