CA504703A - Electrical control apparatus - Google Patents

Electrical control apparatus

Info

Publication number
CA504703A
CA504703A CA504703A CA504703DA CA504703A CA 504703 A CA504703 A CA 504703A CA 504703 A CA504703 A CA 504703A CA 504703D A CA504703D A CA 504703DA CA 504703 A CA504703 A CA 504703A
Authority
CA
Canada
Prior art keywords
control apparatus
electrical control
electrical
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
CA504703A
Other languages
French (fr)
Inventor
N. Martin Paul
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 CA504703A publication Critical patent/CA504703A/en
Expired legal-status Critical Current

Links

CA504703A Electrical control apparatus Expired CA504703A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA504703T

Publications (1)

Publication Number Publication Date
CA504703A true CA504703A (en) 1954-07-27

Family

ID=35650625

Family Applications (1)

Application Number Title Priority Date Filing Date
CA504703A Expired CA504703A (en) Electrical control apparatus

Country Status (1)

Country Link
CA (1) CA504703A (en)

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