CA370567A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number
CA370567A
CA370567A CA370567A CA370567DA CA370567A CA 370567 A CA370567 A CA 370567A CA 370567 A CA370567 A CA 370567A CA 370567D A CA370567D A CA 370567DA CA 370567 A CA370567 A CA 370567A
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
CA370567A
Other languages
English (en)
Inventor
Kendall Low Frank
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 CA370567A publication Critical patent/CA370567A/fr
Expired legal-status Critical Current

Links

CA370567A Systeme de signalisation Expired CA370567A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA370567T

Publications (1)

Publication Number Publication Date
CA370567A true CA370567A (fr) 1937-12-14

Family

ID=35371633

Family Applications (1)

Application Number Title Priority Date Filing Date
CA370567A Expired CA370567A (fr) Systeme de signalisation

Country Status (1)

Country Link
CA (1) CA370567A (fr)

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