CA348530A - Systeme selectif de signalisation - Google Patents

Systeme selectif de signalisation

Info

Publication number
CA348530A
CA348530A CA348530A CA348530DA CA348530A CA 348530 A CA348530 A CA 348530A CA 348530 A CA348530 A CA 348530A CA 348530D A CA348530D A CA 348530DA CA 348530 A CA348530 A CA 348530A
Authority
CA
Canada
Prior art keywords
signalling system
selective signalling
selective
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
CA348530A
Other languages
English (en)
Inventor
Sidney Demarest Charles
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 CA348530A publication Critical patent/CA348530A/fr
Expired legal-status Critical Current

Links

CA348530A Systeme selectif de signalisation Expired CA348530A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA348530T

Publications (1)

Publication Number Publication Date
CA348530A true CA348530A (fr) 1935-02-26

Family

ID=35319805

Family Applications (1)

Application Number Title Priority Date Filing Date
CA348530A Expired CA348530A (fr) Systeme selectif de signalisation

Country Status (1)

Country Link
CA (1) CA348530A (fr)

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