AU161535B2 - Improvements in electrical switching arrangements suitable for use in signalling systems - Google Patents

Improvements in electrical switching arrangements suitable for use in signalling systems

Info

Publication number
AU161535B2
AU161535B2 AU14374/52A AU1437452A AU161535B2 AU 161535 B2 AU161535 B2 AU 161535B2 AU 14374/52 A AU14374/52 A AU 14374/52A AU 1437452 A AU1437452 A AU 1437452A AU 161535 B2 AU161535 B2 AU 161535B2
Authority
AU
Australia
Prior art keywords
electrical switching
switching arrangements
signalling systems
arrangements suitable
signalling
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
AU14374/52A
Other versions
AU1437452A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU1437452A publication Critical patent/AU1437452A/en
Publication of AU161535B2 publication Critical patent/AU161535B2/en
Expired legal-status Critical Current

Links

AU14374/52A 1952-11-25 Improvements in electrical switching arrangements suitable for use in signalling systems Expired AU161535B2 (en)

Publications (2)

Publication Number Publication Date
AU1437452A AU1437452A (en) 1953-01-29
AU161535B2 true AU161535B2 (en) 1953-01-29

Family

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