CA490848A - Appareil de reglage de trafic de chemins de fer - Google Patents

Appareil de reglage de trafic de chemins de fer

Info

Publication number
CA490848A
CA490848A CA490848A CA490848DA CA490848A CA 490848 A CA490848 A CA 490848A CA 490848 A CA490848 A CA 490848A CA 490848D A CA490848D A CA 490848DA CA 490848 A CA490848 A CA 490848A
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
CA490848A
Other languages
English (en)
Inventor
John W. Logan, Jr.
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 CA490848A publication Critical patent/CA490848A/fr
Expired legal-status Critical Current

Links

CA490848A Appareil de reglage de trafic de chemins de fer Expired CA490848A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490848T

Publications (1)

Publication Number Publication Date
CA490848A true CA490848A (fr) 1953-02-24

Family

ID=35630586

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490848A Expired CA490848A (fr) Appareil de reglage de trafic de chemins de fer

Country Status (1)

Country Link
CA (1) CA490848A (fr)

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