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AU120945B2 - 4 5 Improvements in or relating to electric selective signalling or control systems - Google Patents

4 5 Improvements in or relating to electric selective signalling or control systems

Info

Publication number
AU120945B2
AU120945B2 AU11298/43A AU1129843A AU120945B2 AU 120945 B2 AU120945 B2 AU 120945B2 AU 11298/43 A AU11298/43 A AU 11298/43A AU 1129843 A AU1129843 A AU 1129843A AU 120945 B2 AU120945 B2 AU 120945B2
Authority
AU
Australia
Prior art keywords
relating
control 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
AU11298/43A
Other versions
AU1129843A (en
Inventor
Raymond Birsa Robert
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU120945B2 publication Critical patent/AU120945B2/en
Publication of AU1129843A publication Critical patent/AU1129843A/en
Expired legal-status Critical Current

Links

AU11298/43A 1946-02-06 4 5 Improvements in or relating to electric selective signalling or control systems Expired AU120945B2 (en)

Publications (2)

Publication Number Publication Date
AU120945B2 true AU120945B2 (en) 1946-02-21
AU1129843A AU1129843A (en) 1946-02-21

Family

ID=

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