CA317815A - Systeme de controle de la circulation - Google Patents

Systeme de controle de la circulation

Info

Publication number
CA317815A
CA317815A CA317815A CA317815DA CA317815A CA 317815 A CA317815 A CA 317815A CA 317815 A CA317815 A CA 317815A CA 317815D A CA317815D A CA 317815DA CA 317815 A CA317815 A CA 317815A
Authority
CA
Canada
Prior art keywords
control system
traffic control
traffic
control
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
CA317815A
Other languages
English (en)
Inventor
D. Geer Charles
L. Biach John
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.)
AUTOMATIC SIGNAL Corp
Original Assignee
AUTOMATIC SIGNAL Corp
Publication date
Application granted granted Critical
Publication of CA317815A publication Critical patent/CA317815A/fr
Expired legal-status Critical Current

Links

CA317815A Systeme de controle de la circulation Expired CA317815A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA317815T

Publications (1)

Publication Number Publication Date
CA317815A true CA317815A (fr) 1931-12-08

Family

ID=35278371

Family Applications (1)

Application Number Title Priority Date Filing Date
CA317815A Expired CA317815A (fr) Systeme de controle de la circulation

Country Status (1)

Country Link
CA (1) CA317815A (fr)

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