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AU150976B2 - Improvements relating to illuminated signal devices for railways andthe like - Google Patents
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AU150976B2 - Improvements relating to illuminated signal devices for railways andthe like - Google Patents

Improvements relating to illuminated signal devices for railways andthe like

Info

Publication number
AU150976B2
AU150976B2 AU31814/49A AU3181449A AU150976B2 AU 150976 B2 AU150976 B2 AU 150976B2 AU 31814/49 A AU31814/49 A AU 31814/49A AU 3181449 A AU3181449 A AU 3181449A AU 150976 B2 AU150976 B2 AU 150976B2
Authority
AU
Australia
Prior art keywords
improvements relating
signal devices
illuminated signal
railways
andthe
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
AU31814/49A
Other versions
AU3181449A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU150976B2 publication Critical patent/AU150976B2/en
Publication of AU3181449A publication Critical patent/AU3181449A/en
Expired legal-status Critical Current

Links

AU31814/49A 1949-12-23 Improvements relating to illuminated signal devices for railways andthe like Expired AU150976B2 (en)

Publications (2)

Publication Number Publication Date
AU150976B2 true AU150976B2 (en) 1950-02-23
AU3181449A AU3181449A (en) 1950-02-23

Family

ID=

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