CA196687A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA196687A
CA196687A CA196687A CA196687DA CA196687A CA 196687 A CA196687 A CA 196687A CA 196687 A CA196687 A CA 196687A CA 196687D A CA196687D A CA 196687DA CA 196687 A CA196687 A CA 196687A
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
CA196687A
Other languages
English (en)
Inventor
R. Lundius Eric
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 CA196687A publication Critical patent/CA196687A/fr
Expired legal-status Critical Current

Links

CA196687A Systeme telephonique Expired CA196687A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA196687T

Publications (1)

Publication Number Publication Date
CA196687A true CA196687A (fr) 1920-01-27

Family

ID=35071125

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196687A Expired CA196687A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA196687A (fr)

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