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AU128559B2 - Improvements in or relating to electric selective signalling systems - Google Patents
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AU128559B2 - Improvements in or relating to electric selective signalling systems - Google Patents

Improvements in or relating to electric selective signalling systems

Info

Publication number
AU128559B2
AU128559B2 AU19108/48A AU1910848A AU128559B2 AU 128559 B2 AU128559 B2 AU 128559B2 AU 19108/48 A AU19108/48 A AU 19108/48A AU 1910848 A AU1910848 A AU 1910848A AU 128559 B2 AU128559 B2 AU 128559B2
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
AU19108/48A
Other versions
AU1910848A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU1910848A publication Critical patent/AU1910848A/en
Publication of AU128559B2 publication Critical patent/AU128559B2/en
Expired legal-status Critical Current

Links

AU19108/48A 1945-03-07 Improvements in or relating to electric selective signalling systems Expired AU128559B2 (en)

Publications (2)

Publication Number Publication Date
AU1910848A AU1910848A (en) 1948-08-12
AU128559B2 true AU128559B2 (en) 1948-08-12

Family

ID=

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