AU128501B2 - Improvements in or relating to electric selective signalling systems - Google Patents

Improvements in or relating to electric selective signalling systems

Info

Publication number
AU128501B2
AU128501B2 AU19445/45A AU1944545A AU128501B2 AU 128501 B2 AU128501 B2 AU 128501B2 AU 19445/45 A AU19445/45 A AU 19445/45A AU 1944545 A AU1944545 A AU 1944545A AU 128501 B2 AU128501 B2 AU 128501B2
Authority
AU
Australia
Prior art keywords
relating
signalling systems
selective signalling
electric selective
electric
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
AU19445/45A
Other versions
AU1944545A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU128501B2 publication Critical patent/AU128501B2/en
Publication of AU1944545A publication Critical patent/AU1944545A/en
Expired legal-status Critical Current

Links

AU19445/45A 1945-03-07 Improvements in or relating to electric selective signalling systems Expired AU128501B2 (en)

Publications (2)

Publication Number Publication Date
AU128501B2 true AU128501B2 (en) 1945-03-08
AU1944545A AU1944545A (en) 1945-03-08

Family

ID=

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