AU836832A - Improvements relating to electric signalling systems - Google Patents

Improvements relating to electric signalling systems

Info

Publication number
AU836832A
AU836832A AU8368/32A AU836832A AU836832A AU 836832 A AU836832 A AU 836832A AU 8368/32 A AU8368/32 A AU 8368/32A AU 836832 A AU836832 A AU 836832A AU 836832 A AU836832 A AU 836832A
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
AU8368/32A
Inventor
Edgar Humphries Horace
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
Publication of AU836832A publication Critical patent/AU836832A/en
Expired legal-status Critical Current

Links

AU8368/32A 1933-03-27 Improvements relating to electric signalling systems Expired AU836832A (en)

Publications (1)

Publication Number Publication Date
AU836832A true AU836832A (en) 1933-04-06

Family

ID=

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