CA390068A - Railway traffic controlling apparatus - Google Patents

Railway traffic controlling apparatus

Info

Publication number
CA390068A
CA390068A CA390068A CA390068DA CA390068A CA 390068 A CA390068 A CA 390068A CA 390068 A CA390068 A CA 390068A CA 390068D A CA390068D A CA 390068DA CA 390068 A CA390068 A CA 390068A
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
CA390068A
Other languages
French (fr)
Inventor
R. Kemmerer Ralph
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 CA390068A publication Critical patent/CA390068A/en
Expired legal-status Critical Current

Links

CA390068A Railway traffic controlling apparatus Expired CA390068A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA390068T

Publications (1)

Publication Number Publication Date
CA390068A true CA390068A (en) 1940-07-16

Family

ID=35397662

Family Applications (1)

Application Number Title Priority Date Filing Date
CA390068A Expired CA390068A (en) Railway traffic controlling apparatus

Country Status (1)

Country Link
CA (1) CA390068A (en)

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