CA374913A - Railway traffic controlling apparatus - Google Patents

Railway traffic controlling apparatus

Info

Publication number
CA374913A
CA374913A CA374913A CA374913DA CA374913A CA 374913 A CA374913 A CA 374913A CA 374913 A CA374913 A CA 374913A CA 374913D A CA374913D A CA 374913DA CA 374913 A CA374913 A CA 374913A
Authority
CA
Canada
Prior art keywords
railway traffic
traffic controlling
controlling
railway
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
CA374913A
Other languages
French (fr)
Inventor
B. Yarbrough Lowell
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
Priority to CA374913T priority Critical
Application granted granted Critical
Publication of CA374913A publication Critical patent/CA374913A/en
Expired legal-status Critical Current

Links

CA374913A Railway traffic controlling apparatus Expired CA374913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA374913T

Publications (1)

Publication Number Publication Date
CA374913A true CA374913A (en) 1938-07-05

Family

ID=35379237

Family Applications (1)

Application Number Title Priority Date Filing Date
CA374913A Expired CA374913A (en) Railway traffic controlling apparatus

Country Status (1)

Country Link
CA (1) CA374913A (en)

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