CA196960A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA196960A
CA196960A CA196960A CA196960DA CA196960A CA 196960 A CA196960 A CA 196960A CA 196960 A CA196960 A CA 196960A CA 196960D A CA196960D A CA 196960DA CA 196960 A CA196960 A CA 196960A
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
CA196960A
Other languages
English (en)
Inventor
E. Lundell Alben
Thompson George
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 CA196960A publication Critical patent/CA196960A/fr
Expired legal-status Critical Current

Links

CA196960A Systeme telephonique Expired CA196960A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA196960T

Publications (1)

Publication Number Publication Date
CA196960A true CA196960A (fr) 1920-02-03

Family

ID=35071398

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196960A Expired CA196960A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA196960A (fr)

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