CA434401A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number
CA434401A
CA434401A CA434401A CA434401DA CA434401A CA 434401 A CA434401 A CA 434401A CA 434401 A CA434401 A CA 434401A CA 434401D A CA434401D A CA 434401DA CA 434401 A CA434401 A CA 434401A
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
CA434401A
Other languages
English (en)
Inventor
J. Murphy Orlando
D. Newby Neal
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 CA434401A publication Critical patent/CA434401A/fr
Expired legal-status Critical Current

Links

CA434401A Systeme de signalisation Expired CA434401A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA434401T

Publications (1)

Publication Number Publication Date
CA434401A true CA434401A (fr) 1946-04-23

Family

ID=35549030

Family Applications (1)

Application Number Title Priority Date Filing Date
CA434401A Expired CA434401A (fr) Systeme de signalisation

Country Status (1)

Country Link
CA (1) CA434401A (fr)

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