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AU162220B2 - Improvements in or relating to electrically operated signalling systems - Google Patents

Improvements in or relating to electrically operated signalling systems

Info

Publication number
AU162220B2
AU162220B2 AU22206/53A AU2220653A AU162220B2 AU 162220 B2 AU162220 B2 AU 162220B2 AU 22206/53 A AU22206/53 A AU 22206/53A AU 2220653 A AU2220653 A AU 2220653A AU 162220 B2 AU162220 B2 AU 162220B2
Authority
AU
Australia
Prior art keywords
relating
electrically operated
signalling systems
operated signalling
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
AU22206/53A
Other versions
AU2220653A (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.)
Hugh Woodand Co Ltd
Original Assignee
Hugh Woodand Co Ltd
Publication date
Application granted granted Critical
Publication of AU162220B2 publication Critical patent/AU162220B2/en
Publication of AU2220653A publication Critical patent/AU2220653A/en
Expired legal-status Critical Current

Links

AU22206/53A Improvements in or relating to electrically operated signalling systems Expired AU162220B2 (en)

Publications (2)

Publication Number Publication Date
AU162220B2 true AU162220B2 (en) 1953-12-17
AU2220653A AU2220653A (en) 1953-12-17

Family

ID=

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