AU141016B2 - Signalling system - Google Patents

Signalling system

Info

Publication number
AU141016B2
AU141016B2 AU14931/47A AU1493147A AU141016B2 AU 141016 B2 AU141016 B2 AU 141016B2 AU 14931/47 A AU14931/47 A AU 14931/47A AU 1493147 A AU1493147 A AU 1493147A AU 141016 B2 AU141016 B2 AU 141016B2
Authority
AU
Australia
Prior art keywords
signalling system
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
AU14931/47A
Other versions
AU1493147A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU141016B2 publication Critical patent/AU141016B2/en
Publication of AU1493147A publication Critical patent/AU1493147A/en
Expired legal-status Critical Current

Links

AU14931/47A 1947-09-05 Signalling system Expired AU141016B2 (en)

Publications (2)

Publication Number Publication Date
AU141016B2 true AU141016B2 (en) 1947-10-02
AU1493147A AU1493147A (en) 1947-10-02

Family

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