CA346053A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number
CA346053A
CA346053A CA346053A CA346053DA CA346053A CA 346053 A CA346053 A CA 346053A CA 346053 A CA346053 A CA 346053A CA 346053D A CA346053D A CA 346053DA CA 346053 A CA346053 A CA 346053A
Authority
CA
Canada
Prior art keywords
signalling system
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
CA346053A
Other languages
English (en)
Inventor
Howard Davidsmeyer Orville
Macaugustine Vernon
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA346053A publication Critical patent/CA346053A/fr
Expired legal-status Critical Current

Links

CA346053A Systeme de signalisation Expired CA346053A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA346053T

Publications (1)

Publication Number Publication Date
CA346053A true CA346053A (fr) 1934-11-13

Family

ID=35317327

Family Applications (1)

Application Number Title Priority Date Filing Date
CA346053A Expired CA346053A (fr) Systeme de signalisation

Country Status (1)

Country Link
CA (1) CA346053A (fr)

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