AU141012B2 - Improvements in or relating to electric signalling or control systems - Google Patents

Improvements in or relating to electric signalling or control systems

Info

Publication number
AU141012B2
AU141012B2 AU14125/47A AU1412547A AU141012B2 AU 141012 B2 AU141012 B2 AU 141012B2 AU 14125/47 A AU14125/47 A AU 14125/47A AU 1412547 A AU1412547 A AU 1412547A AU 141012 B2 AU141012 B2 AU 141012B2
Authority
AU
Australia
Prior art keywords
relating
control systems
electric signalling
signalling
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
AU14125/47A
Other versions
AU1412547A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU1412547A publication Critical patent/AU1412547A/en
Publication of AU141012B2 publication Critical patent/AU141012B2/en
Expired legal-status Critical Current

Links

AU14125/47A 1947-08-01 Improvements in or relating to electric signalling or control systems Expired AU141012B2 (en)

Publications (2)

Publication Number Publication Date
AU1412547A AU1412547A (en) 1947-08-28
AU141012B2 true AU141012B2 (en) 1947-08-28

Family

ID=

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