CA482893A - Railway signal control systems - Google Patents

Railway signal control systems

Info

Publication number
CA482893A
CA482893A CA482893A CA482893DA CA482893A CA 482893 A CA482893 A CA 482893A CA 482893 A CA482893 A CA 482893A CA 482893D A CA482893D A CA 482893DA CA 482893 A CA482893 A CA 482893A
Authority
CA
Canada
Prior art keywords
control systems
signal control
railway signal
railway
systems
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
CA482893A
Other languages
French (fr)
Inventor
H. Butridge James
H. Claus William
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 CA482893A publication Critical patent/CA482893A/en
Expired legal-status Critical Current

Links

CA482893A Railway signal control systems Expired CA482893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA482893T

Publications (1)

Publication Number Publication Date
CA482893A true CA482893A (en) 1952-04-29

Family

ID=35622583

Family Applications (1)

Application Number Title Priority Date Filing Date
CA482893A Expired CA482893A (en) Railway signal control systems

Country Status (1)

Country Link
CA (1) CA482893A (en)

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