CA400712A - Railway traffic controlling apparatus - Google Patents

Railway traffic controlling apparatus

Info

Publication number
CA400712A
CA400712A CA400712A CA400712DA CA400712A CA 400712 A CA400712 A CA 400712A CA 400712 A CA400712 A CA 400712A CA 400712D A CA400712D A CA 400712DA CA 400712 A CA400712 A CA 400712A
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
CA400712A
Other languages
French (fr)
Inventor
M. Allen Earl
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 CA400712A publication Critical patent/CA400712A/en
Expired legal-status Critical Current

Links

CA400712A Railway traffic controlling apparatus Expired CA400712A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA400712T

Publications (1)

Publication Number Publication Date
CA400712A true CA400712A (en) 1941-11-11

Family

ID=35411158

Family Applications (1)

Application Number Title Priority Date Filing Date
CA400712A Expired CA400712A (en) Railway traffic controlling apparatus

Country Status (1)

Country Link
CA (1) CA400712A (en)

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