AU2324529A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
AU2324529A
AU2324529A AU23245/29A AU2324529A AU2324529A AU 2324529 A AU2324529 A AU 2324529A AU 23245/29 A AU23245/29 A AU 23245/29A AU 2324529 A AU2324529 A AU 2324529A AU 2324529 A AU2324529 A AU 2324529A
Authority
AU
Australia
Prior art keywords
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
AU23245/29A
Inventor
James Boot Challis
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 and General Electric Railway Signal Co Ltd
Original Assignee
Siemens and General Electric Railway Signal Co Ltd
Filing date
Publication date
Application filed by Siemens and General Electric Railway Signal Co Ltd filed Critical Siemens and General Electric Railway Signal Co Ltd
Publication of AU2324529A publication Critical patent/AU2324529A/en
Expired legal-status Critical Current

Links

AU23245/29A 1929-10-29 Improvements in or relating to electric signalling systems Expired AU2324529A (en)

Publications (1)

Publication Number Publication Date
AU2324529A true AU2324529A (en) 1931-01-06

Family

ID=

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