CA349441A - Systeme de controle de la circulation ferroviaire - Google Patents

Systeme de controle de la circulation ferroviaire

Info

Publication number
CA349441A
CA349441A CA349441A CA349441DA CA349441A CA 349441 A CA349441 A CA 349441A CA 349441 A CA349441 A CA 349441A CA 349441D A CA349441D A CA 349441DA CA 349441 A CA349441 A CA 349441A
Authority
CA
Canada
Prior art keywords
controlling system
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
CA349441A
Other languages
English (en)
Inventor
M. Phinney Robert
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA349441A publication Critical patent/CA349441A/fr
Expired legal-status Critical Current

Links

CA349441A Systeme de controle de la circulation ferroviaire Expired CA349441A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA349441T

Publications (1)

Publication Number Publication Date
CA349441A true CA349441A (fr) 1935-04-09

Family

ID=35337404

Family Applications (1)

Application Number Title Priority Date Filing Date
CA349441A Expired CA349441A (fr) Systeme de controle de la circulation ferroviaire

Country Status (1)

Country Link
CA (1) CA349441A (fr)

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