CA306148A - Railway traffic controlling apparatus - Google Patents

Railway traffic controlling apparatus

Info

Publication number
CA306148A
CA306148A CA306148A CA306148DA CA306148A CA 306148 A CA306148 A CA 306148A CA 306148 A CA306148 A CA 306148A CA 306148D A CA306148D A CA 306148DA CA 306148 A CA306148 A CA 306148A
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
CA306148A
Other languages
French (fr)
Inventor
H. Geiger Paul
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 CA306148A publication Critical patent/CA306148A/en
Expired legal-status Critical Current

Links

CA306148A Railway traffic controlling apparatus Expired CA306148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA306148T

Publications (1)

Publication Number Publication Date
CA306148A true CA306148A (en) 1930-11-25

Family

ID=35259298

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306148A Expired CA306148A (en) Railway traffic controlling apparatus

Country Status (1)

Country Link
CA (1) CA306148A (en)

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