CA280989A - Railway traffic controlling apparatus - Google Patents

Railway traffic controlling apparatus

Info

Publication number
CA280989A
CA280989A CA280989A CA280989DA CA280989A CA 280989 A CA280989 A CA 280989A CA 280989 A CA280989 A CA 280989A CA 280989D A CA280989D A CA 280989DA CA 280989 A CA280989 A CA 280989A
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
CA280989A
Other languages
French (fr)
Inventor
S. Snavely Clarence
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 CA280989A publication Critical patent/CA280989A/en
Expired legal-status Critical Current

Links

CA280989A Railway traffic controlling apparatus Expired CA280989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA280989T

Publications (1)

Publication Number Publication Date
CA280989A true CA280989A (en) 1928-06-12

Family

ID=35214081

Family Applications (1)

Application Number Title Priority Date Filing Date
CA280989A Expired CA280989A (en) Railway traffic controlling apparatus

Country Status (1)

Country Link
CA (1) CA280989A (en)

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