CA533177A - Systeme de commande de signal de chemin de fer - Google Patents

Systeme de commande de signal de chemin de fer

Info

Publication number
CA533177A
CA533177A CA533177A CA533177DA CA533177A CA 533177 A CA533177 A CA 533177A CA 533177 A CA533177 A CA 533177A CA 533177D A CA533177D A CA 533177DA CA 533177 A CA533177 A CA 533177A
Authority
CA
Canada
Prior art keywords
control system
signal control
railway signal
railway
signal
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
CA533177A
Other languages
English (en)
Inventor
D. Ihrig Clifford
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
Publication date
Application granted granted Critical
Publication of CA533177A publication Critical patent/CA533177A/fr
Expired legal-status Critical Current

Links

CA533177A Systeme de commande de signal de chemin de fer Expired CA533177A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA533177T

Publications (1)

Publication Number Publication Date
CA533177A true CA533177A (fr) 1956-11-13

Family

ID=35687792

Family Applications (1)

Application Number Title Priority Date Filing Date
CA533177A Expired CA533177A (fr) Systeme de commande de signal de chemin de fer

Country Status (1)

Country Link
CA (1) CA533177A (fr)

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