CA212771A - Appareil de controle du trafic de chemin de fer - Google Patents

Appareil de controle du trafic de chemin de fer

Info

Publication number
CA212771A
CA212771A CA212771A CA212771DA CA212771A CA 212771 A CA212771 A CA 212771A CA 212771 A CA212771 A CA 212771A CA 212771D A CA212771D A CA 212771DA CA 212771 A CA212771 A CA 212771A
Authority
CA
Canada
Prior art keywords
controlling apparatus
railway traffic
traffic controlling
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
CA212771A
Other languages
English (en)
Inventor
V. Lewis Lloyd
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 CA212771A publication Critical patent/CA212771A/fr
Expired legal-status Critical Current

Links

CA212771A Appareil de controle du trafic de chemin de fer Expired CA212771A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA212771T

Publications (1)

Publication Number Publication Date
CA212771A true CA212771A (fr) 1921-08-02

Family

ID=35107215

Family Applications (1)

Application Number Title Priority Date Filing Date
CA212771A Expired CA212771A (fr) Appareil de controle du trafic de chemin de fer

Country Status (1)

Country Link
CA (1) CA212771A (fr)

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