CA274624A - Systeme de signalisation de troncons - Google Patents

Systeme de signalisation de troncons

Info

Publication number
CA274624A
CA274624A CA274624A CA274624DA CA274624A CA 274624 A CA274624 A CA 274624A CA 274624 A CA274624 A CA 274624A CA 274624D A CA274624D A CA 274624DA CA 274624 A CA274624 A CA 274624A
Authority
CA
Canada
Prior art keywords
signalling system
trunk signalling
trunk
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
CA274624A
Other languages
English (en)
Inventor
L. Eagon Lloyd
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 CA274624A publication Critical patent/CA274624A/fr
Expired legal-status Critical Current

Links

CA274624A Systeme de signalisation de troncons Expired CA274624A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA274624T

Publications (1)

Publication Number Publication Date
CA274624A true CA274624A (fr) 1927-10-11

Family

ID=35204656

Family Applications (1)

Application Number Title Priority Date Filing Date
CA274624A Expired CA274624A (fr) Systeme de signalisation de troncons

Country Status (1)

Country Link
CA (1) CA274624A (fr)

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