CA464834A - Systeme de signaux electriques - Google Patents

Systeme de signaux electriques

Info

Publication number
CA464834A
CA464834A CA464834A CA464834DA CA464834A CA 464834 A CA464834 A CA 464834A CA 464834 A CA464834 A CA 464834A CA 464834D A CA464834D A CA 464834DA CA 464834 A CA464834 A CA 464834A
Authority
CA
Canada
Prior art keywords
signalling system
electric signalling
electric
signalling
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
CA464834A
Other languages
English (en)
Inventor
Harley Reeves Alex
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA464834A publication Critical patent/CA464834A/fr
Expired legal-status Critical Current

Links

CA464834A Systeme de signaux electriques Expired CA464834A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA464834T

Publications (1)

Publication Number Publication Date
CA464834A true CA464834A (fr) 1950-05-02

Family

ID=35594567

Family Applications (1)

Application Number Title Priority Date Filing Date
CA464834A Expired CA464834A (fr) Systeme de signaux electriques

Country Status (1)

Country Link
CA (1) CA464834A (fr)

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