CA416049A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number
CA416049A
CA416049A CA416049A CA416049DA CA416049A CA 416049 A CA416049 A CA 416049A CA 416049 A CA416049 A CA 416049A CA 416049D A CA416049D A CA 416049DA CA 416049 A CA416049 A CA 416049A
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
CA416049A
Other languages
English (en)
Inventor
Henry Muller Karl
Earl Ressler Ralph
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 CA416049A publication Critical patent/CA416049A/fr
Expired legal-status Critical Current

Links

CA416049A Systeme de signalisation Expired CA416049A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416049T

Publications (1)

Publication Number Publication Date
CA416049A true CA416049A (fr) 1943-10-26

Family

ID=35525265

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416049A Expired CA416049A (fr) Systeme de signalisation

Country Status (1)

Country Link
CA (1) CA416049A (fr)

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