CA478391A - Railway traffic controlling apparatus - Google Patents

Railway traffic controlling apparatus

Info

Publication number
CA478391A
CA478391A CA478391A CA478391DA CA478391A CA 478391 A CA478391 A CA 478391A CA 478391 A CA478391 A CA 478391A CA 478391D A CA478391D A CA 478391DA CA 478391 A CA478391 A CA 478391A
Authority
CA
Canada
Prior art keywords
controlling apparatus
railway traffic
traffic controlling
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
CA478391A
Other languages
French (fr)
Inventor
T. Pascoe Frank
L. Jerome 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 CA478391A publication Critical patent/CA478391A/en
Expired legal-status Critical Current

Links

CA478391A Railway traffic controlling apparatus Expired CA478391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA478391T

Publications (1)

Publication Number Publication Date
CA478391A true CA478391A (en) 1951-11-06

Family

ID=35618046

Family Applications (1)

Application Number Title Priority Date Filing Date
CA478391A Expired CA478391A (en) Railway traffic controlling apparatus

Country Status (1)

Country Link
CA (1) CA478391A (en)

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