CA379442A - Appareil du circuit de voie ferree - Google Patents

Appareil du circuit de voie ferree

Info

Publication number
CA379442A
CA379442A CA379442A CA379442DA CA379442A CA 379442 A CA379442 A CA 379442A CA 379442 A CA379442 A CA 379442A CA 379442D A CA379442D A CA 379442DA CA 379442 A CA379442 A CA 379442A
Authority
CA
Canada
Prior art keywords
track circuit
railway track
circuit apparatus
railway
track
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
CA379442A
Other languages
English (en)
Inventor
H. Nicholson Frank
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 CA379442A publication Critical patent/CA379442A/fr
Expired legal-status Critical Current

Links

CA379442A Appareil du circuit de voie ferree Expired CA379442A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA379442T

Publications (1)

Publication Number Publication Date
CA379442A true CA379442A (fr) 1939-02-07

Family

ID=35383767

Family Applications (1)

Application Number Title Priority Date Filing Date
CA379442A Expired CA379442A (fr) Appareil du circuit de voie ferree

Country Status (1)

Country Link
CA (1) CA379442A (fr)

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