CA397701A - Railway traffic controlling apparatus - Google Patents

Railway traffic controlling apparatus

Info

Publication number
CA397701A
CA397701A CA397701A CA397701DA CA397701A CA 397701 A CA397701 A CA 397701A CA 397701 A CA397701 A CA 397701A CA 397701D A CA397701D A CA 397701DA CA 397701 A CA397701 A CA 397701A
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
CA397701A
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 CA397701A publication Critical patent/CA397701A/en
Expired legal-status Critical Current

Links

CA397701A Railway traffic controlling apparatus Expired CA397701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA397701T

Publications (1)

Publication Number Publication Date
CA397701A true CA397701A (en) 1941-07-01

Family

ID=35408214

Family Applications (1)

Application Number Title Priority Date Filing Date
CA397701A Expired CA397701A (en) Railway traffic controlling apparatus

Country Status (1)

Country Link
CA (1) CA397701A (en)

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