CA422020A - Appareil de controle de la circulation ferroviaire - Google Patents

Appareil de controle de la circulation ferroviaire

Info

Publication number
CA422020A
CA422020A CA422020A CA422020DA CA422020A CA 422020 A CA422020 A CA 422020A CA 422020 A CA422020 A CA 422020A CA 422020D A CA422020D A CA 422020DA CA 422020 A CA422020 A CA 422020A
Authority
CA
Canada
Prior art keywords
control apparatus
traffic control
railway traffic
railway
traffic
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
CA422020A
Other languages
English (en)
Inventor
E. Dodd Arthur
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 CA422020A publication Critical patent/CA422020A/fr
Expired legal-status Critical Current

Links

CA422020A Appareil de controle de la circulation ferroviaire Expired CA422020A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA422020T

Publications (1)

Publication Number Publication Date
CA422020A true CA422020A (fr) 1944-08-08

Family

ID=35533006

Family Applications (1)

Application Number Title Priority Date Filing Date
CA422020A Expired CA422020A (fr) Appareil de controle de la circulation ferroviaire

Country Status (1)

Country Link
CA (1) CA422020A (fr)

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