AU730546A - Improvements relating to electric signalling systems - Google Patents

Improvements relating to electric signalling systems

Info

Publication number
AU730546A
AU730546A AU7305/46A AU730546A AU730546A AU 730546 A AU730546 A AU 730546A AU 7305/46 A AU7305/46 A AU 7305/46A AU 730546 A AU730546 A AU 730546A AU 730546 A AU730546 A AU 730546A
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
AU7305/46A
Other versions
AU135301B2 (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 AU730546A publication Critical patent/AU730546A/en
Publication of AU135301B2 publication Critical patent/AU135301B2/en
Expired legal-status Critical Current

Links

AU7305/46A 1946-10-10 Improvements relating to electric signalling systems Expired AU135301B2 (en)

Publications (2)

Publication Number Publication Date
AU730546A true AU730546A (en) 1946-12-12
AU135301B2 AU135301B2 (en) 1946-12-12

Family

ID=

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