AU141168B2 - Improvements in or relating to electrical signalling systems - Google Patents

Improvements in or relating to electrical signalling systems

Info

Publication number
AU141168B2
AU141168B2 AU21286/48A AU2128648A AU141168B2 AU 141168 B2 AU141168 B2 AU 141168B2 AU 21286/48 A AU21286/48 A AU 21286/48A AU 2128648 A AU2128648 A AU 2128648A AU 141168 B2 AU141168 B2 AU 141168B2
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
AU21286/48A
Other versions
AU2128648A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU2128648A publication Critical patent/AU2128648A/en
Publication of AU141168B2 publication Critical patent/AU141168B2/en
Expired legal-status Critical Current

Links

AU21286/48A 1948-06-11 Improvements in or relating to electrical signalling systems Expired AU141168B2 (en)

Publications (2)

Publication Number Publication Date
AU2128648A AU2128648A (en) 1948-07-08
AU141168B2 true AU141168B2 (en) 1948-07-08

Family

ID=

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