CA461514A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number
CA461514A
CA461514A CA461514A CA461514DA CA461514A CA 461514 A CA461514 A CA 461514A CA 461514 A CA461514 A CA 461514A CA 461514D A CA461514D A CA 461514DA CA 461514 A CA461514 A CA 461514A
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
CA461514A
Other languages
English (en)
Inventor
S. Martins Arthur
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA461514A publication Critical patent/CA461514A/fr
Expired legal-status Critical Current

Links

CA461514A Systeme de signalisation Expired CA461514A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA461514T

Publications (1)

Publication Number Publication Date
CA461514A true CA461514A (fr) 1949-11-29

Family

ID=35591203

Family Applications (1)

Application Number Title Priority Date Filing Date
CA461514A Expired CA461514A (fr) Systeme de signalisation

Country Status (1)

Country Link
CA (1) CA461514A (fr)

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