CA387948A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number
CA387948A
CA387948A CA387948A CA387948DA CA387948A CA 387948 A CA387948 A CA 387948A CA 387948 A CA387948 A CA 387948A CA 387948D A CA387948D A CA 387948DA CA 387948 A CA387948 A CA 387948A
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
CA387948A
Other languages
English (en)
Inventor
Walter Dudley Homer
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 CA387948A publication Critical patent/CA387948A/fr
Expired legal-status Critical Current

Links

CA387948A Systeme de signalisation Expired CA387948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA387948T

Publications (1)

Publication Number Publication Date
CA387948A true CA387948A (fr) 1940-04-09

Family

ID=35393140

Family Applications (1)

Application Number Title Priority Date Filing Date
CA387948A Expired CA387948A (fr) Systeme de signalisation

Country Status (1)

Country Link
CA (1) CA387948A (fr)

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