AU135010B2 - Improvements relating to electric signalling systems - Google Patents

Improvements relating to electric signalling systems

Info

Publication number
AU135010B2
AU135010B2 AU6402/46A AU640246A AU135010B2 AU 135010 B2 AU135010 B2 AU 135010B2 AU 6402/46 A AU6402/46 A AU 6402/46A AU 640246 A AU640246 A AU 640246A AU 135010 B2 AU135010 B2 AU 135010B2
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
AU6402/46A
Other versions
AU640246A (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 AU135010B2 publication Critical patent/AU135010B2/en
Publication of AU640246A publication Critical patent/AU640246A/en
Expired legal-status Critical Current

Links

AU6402/46A 1946-09-05 Improvements relating to electric signalling systems Expired AU135010B2 (en)

Publications (2)

Publication Number Publication Date
AU135010B2 true AU135010B2 (en) 1946-11-28
AU640246A AU640246A (en) 1946-11-28

Family

ID=

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