CA479394A - Appareil de controle de trafic - Google Patents

Appareil de controle de trafic

Info

Publication number
CA479394A
CA479394A CA479394A CA479394DA CA479394A CA 479394 A CA479394 A CA 479394A CA 479394 A CA479394 A CA 479394A CA 479394D A CA479394D A CA 479394DA CA 479394 A CA479394 A CA 479394A
Authority
CA
Canada
Prior art keywords
controlling apparatus
traffic controlling
traffic
controlling
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
CA479394A
Other languages
English (en)
Inventor
M. Laurenson 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.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
Publication date
Application granted granted Critical
Publication of CA479394A publication Critical patent/CA479394A/fr
Expired legal-status Critical Current

Links

CA479394A Appareil de controle de trafic Expired CA479394A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA479394T

Publications (1)

Publication Number Publication Date
CA479394A true CA479394A (fr) 1951-12-11

Family

ID=35619065

Family Applications (1)

Application Number Title Priority Date Filing Date
CA479394A Expired CA479394A (fr) Appareil de controle de trafic

Country Status (1)

Country Link
CA (1) CA479394A (fr)

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