CA434402A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number
CA434402A
CA434402A CA434402A CA434402DA CA434402A CA 434402 A CA434402 A CA 434402A CA 434402 A CA434402 A CA 434402A CA 434402D A CA434402D A CA 434402DA CA 434402 A CA434402 A CA 434402A
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
CA434402A
Other languages
English (en)
Inventor
M. Pruden Harold
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 CA434402A publication Critical patent/CA434402A/fr
Expired legal-status Critical Current

Links

CA434402A Systeme de signalisation Expired CA434402A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA434402T

Publications (1)

Publication Number Publication Date
CA434402A true CA434402A (fr) 1946-04-23

Family

ID=35549031

Family Applications (1)

Application Number Title Priority Date Filing Date
CA434402A Expired CA434402A (fr) Systeme de signalisation

Country Status (1)

Country Link
CA (1) CA434402A (fr)

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