CA307434A - Signal a lampe de repere - Google Patents

Signal a lampe de repere

Info

Publication number
CA307434A
CA307434A CA307434A CA307434DA CA307434A CA 307434 A CA307434 A CA 307434A CA 307434 A CA307434 A CA 307434A CA 307434D A CA307434D A CA 307434DA CA 307434 A CA307434 A CA 307434A
Authority
CA
Canada
Prior art keywords
light signal
check light
check
signal
light
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
CA307434A
Other languages
English (en)
Inventor
A. Ross Oscar
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
Publication date
Application granted granted Critical
Publication of CA307434A publication Critical patent/CA307434A/fr
Expired legal-status Critical Current

Links

CA307434A Signal a lampe de repere Expired CA307434A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA307434T

Publications (1)

Publication Number Publication Date
CA307434A true CA307434A (fr) 1931-01-06

Family

ID=35260586

Family Applications (1)

Application Number Title Priority Date Filing Date
CA307434A Expired CA307434A (fr) Signal a lampe de repere

Country Status (1)

Country Link
CA (1) CA307434A (fr)

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