AU137516B2 - Improvements relating to electric signalling systems - Google Patents

Improvements relating to electric signalling systems

Info

Publication number
AU137516B2
AU137516B2 AU7952/46A AU795246A AU137516B2 AU 137516 B2 AU137516 B2 AU 137516B2 AU 7952/46 A AU7952/46 A AU 7952/46A AU 795246 A AU795246 A AU 795246A AU 137516 B2 AU137516 B2 AU 137516B2
Authority
AU
Australia
Prior art keywords
improvements relating
signalling systems
electric signalling
electric
systems
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
AU7952/46A
Other versions
AU795246A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Application granted granted Critical
Publication of AU137516B2 publication Critical patent/AU137516B2/en
Publication of AU795246A publication Critical patent/AU795246A/en
Expired legal-status Critical Current

Links

AU7952/46A 1946-11-07 Improvements relating to electric signalling systems Expired AU137516B2 (en)

Publications (2)

Publication Number Publication Date
AU137516B2 true AU137516B2 (en) 1947-01-16
AU795246A AU795246A (en) 1947-01-16

Family

ID=

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