CA196964A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA196964A
CA196964A CA196964A CA196964DA CA196964A CA 196964 A CA196964 A CA 196964A CA 196964 A CA196964 A CA 196964A CA 196964D A CA196964D A CA 196964DA CA 196964 A CA196964 A CA 196964A
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
CA196964A
Other languages
English (en)
Inventor
P. Clausen Henry
L. Goodrum 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 CA196964A publication Critical patent/CA196964A/fr
Expired legal-status Critical Current

Links

CA196964A Systeme telephonique Expired CA196964A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA196964T

Publications (1)

Publication Number Publication Date
CA196964A true CA196964A (fr) 1920-02-03

Family

ID=35071402

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196964A Expired CA196964A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA196964A (fr)

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