CA495943A - Signaux lumineux pour chemins de fer - Google Patents

Signaux lumineux pour chemins de fer

Info

Publication number
CA495943A
CA495943A CA495943A CA495943DA CA495943A CA 495943 A CA495943 A CA 495943A CA 495943 A CA495943 A CA 495943A CA 495943D A CA495943D A CA 495943DA CA 495943 A CA495943 A CA 495943A
Authority
CA
Canada
Prior art keywords
railroads
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
CA495943A
Other languages
English (en)
Inventor
W. Moore Edmund
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 CA495943A publication Critical patent/CA495943A/fr
Expired legal-status Critical Current

Links

CA495943A Signaux lumineux pour chemins de fer Expired CA495943A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA495943T

Publications (1)

Publication Number Publication Date
CA495943A true CA495943A (fr) 1953-09-08

Family

ID=35641358

Family Applications (1)

Application Number Title Priority Date Filing Date
CA495943A Expired CA495943A (fr) Signaux lumineux pour chemins de fer

Country Status (1)

Country Link
CA (1) CA495943A (fr)

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