CA439688A - Feux de route - Google Patents

Feux de route

Info

Publication number
CA439688A
CA439688A CA439688A CA439688DA CA439688A CA 439688 A CA439688 A CA 439688A CA 439688 A CA439688 A CA 439688A CA 439688D A CA439688D A CA 439688DA CA 439688 A CA439688 A CA 439688A
Authority
CA
Canada
Prior art keywords
light signals
signals
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
CA439688A
Other languages
English (en)
Inventor
R. Douglass Myrl
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.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
Publication date
Application granted granted Critical
Publication of CA439688A publication Critical patent/CA439688A/fr
Expired legal-status Critical Current

Links

CA439688A Feux de route Expired CA439688A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA439688T

Publications (1)

Publication Number Publication Date
CA439688A true CA439688A (fr) 1947-02-11

Family

ID=35554922

Family Applications (1)

Application Number Title Priority Date Filing Date
CA439688A Expired CA439688A (fr) Feux de route

Country Status (1)

Country Link
CA (1) CA439688A (fr)

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