CA367977A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA367977A
CA367977A CA367977A CA367977DA CA367977A CA 367977 A CA367977 A CA 367977A CA 367977 A CA367977 A CA 367977A CA 367977D A CA367977D A CA 367977DA CA 367977 A CA367977 A CA 367977A
Authority
CA
Canada
Prior art keywords
telephone system
telephone
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
CA367977A
Other languages
English (en)
Inventor
Christian Kelley 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 CA367977A publication Critical patent/CA367977A/fr
Expired legal-status Critical Current

Links

CA367977A Systeme telephonique Expired CA367977A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA367977T

Publications (1)

Publication Number Publication Date
CA367977A true CA367977A (fr) 1937-08-10

Family

ID=35369045

Family Applications (1)

Application Number Title Priority Date Filing Date
CA367977A Expired CA367977A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA367977A (fr)

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