CA490494A - Appareil de protection de voie de croisement - Google Patents

Appareil de protection de voie de croisement

Info

Publication number
CA490494A
CA490494A CA490494A CA490494DA CA490494A CA 490494 A CA490494 A CA 490494A CA 490494 A CA490494 A CA 490494A CA 490494D A CA490494D A CA 490494DA CA 490494 A CA490494 A CA 490494A
Authority
CA
Canada
Prior art keywords
protection apparatus
crossover protection
crossover
protection
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
CA490494A
Other languages
English (en)
Inventor
Thomas W. Tizzard, 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 CA490494A publication Critical patent/CA490494A/fr
Expired legal-status Critical Current

Links

CA490494A Appareil de protection de voie de croisement Expired CA490494A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490494T

Publications (1)

Publication Number Publication Date
CA490494A true CA490494A (fr) 1953-02-10

Family

ID=35630230

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490494A Expired CA490494A (fr) Appareil de protection de voie de croisement

Country Status (1)

Country Link
CA (1) CA490494A (fr)

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