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AU823927A - Improvements in or relating to light singnals - Google Patents

Improvements in or relating to light singnals

Info

Publication number
AU823927A
AU823927A AU8239/27A AU823927A AU823927A AU 823927 A AU823927 A AU 823927A AU 8239/27 A AU8239/27 A AU 8239/27A AU 823927 A AU823927 A AU 823927A AU 823927 A AU823927 A AU 823927A
Authority
AU
Australia
Prior art keywords
singnals
relating
light
light singnals
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
AU8239/27A
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
Filing date
Publication date
Application filed by General Railway Signal Co filed Critical General Railway Signal Co
Publication of AU823927A publication Critical patent/AU823927A/en
Expired legal-status Critical Current

Links

AU8239/27A 1927-11-18 Improvements in or relating to light singnals Expired AU823927A (en)

Publications (1)

Publication Number Publication Date
AU823927A true AU823927A (en) 1927-11-29

Family

ID=

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