CA173535A - Systeme de controle du trafic de voies ferrees - Google Patents

Systeme de controle du trafic de voies ferrees

Info

Publication number
CA173535A
CA173535A CA000173535A CA173535DA CA173535A CA 173535 A CA173535 A CA 173535A CA 000173535 A CA000173535 A CA 000173535A CA 173535D A CA173535D A CA 173535DA CA 173535 A CA173535 A CA 173535A
Authority
CA
Canada
Prior art keywords
control system
traffic control
railway traffic
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
CA000173535A
Other languages
English (en)
Inventor
Winthrop Keith Howe
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 Corp
Original Assignee
General Railway Signal Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Railway Signal Co filed Critical General Railway Signal Co
Application granted granted Critical
Publication of CA173535A publication Critical patent/CA173535A/fr
Expired legal-status Critical Current

Links

CA000173535A 1915-08-23 1915-08-23 Systeme de controle du trafic de voies ferrees Expired CA173535A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA173535T 1915-08-23

Publications (1)

Publication Number Publication Date
CA173535A true CA173535A (fr) 1916-11-28

Family

ID=45293188

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000173535A Expired CA173535A (fr) 1915-08-23 1915-08-23 Systeme de controle du trafic de voies ferrees

Country Status (1)

Country Link
CA (1) CA173535A (fr)

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