CA338236A - Dispositif de signalisation - Google Patents

Dispositif de signalisation

Info

Publication number
CA338236A
CA338236A CA338236A CA338236DA CA338236A CA 338236 A CA338236 A CA 338236A CA 338236 A CA338236 A CA 338236A CA 338236D A CA338236D A CA 338236DA CA 338236 A CA338236 A CA 338236A
Authority
CA
Canada
Prior art keywords
signalling device
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
CA338236A
Other languages
English (en)
Inventor
Bertrand Johnson John
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 CA338236A publication Critical patent/CA338236A/fr
Expired legal-status Critical Current

Links

CA338236A Dispositif de signalisation Expired CA338236A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA338236T

Publications (1)

Publication Number Publication Date
CA338236A true CA338236A (fr) 1933-12-26

Family

ID=35301377

Family Applications (1)

Application Number Title Priority Date Filing Date
CA338236A Expired CA338236A (fr) Dispositif de signalisation

Country Status (1)

Country Link
CA (1) CA338236A (fr)

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