CA295195A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA295195A
CA295195A CA295195A CA295195DA CA295195A CA 295195 A CA295195 A CA 295195A CA 295195 A CA295195 A CA 295195A CA 295195D A CA295195D A CA 295195DA CA 295195 A CA295195 A CA 295195A
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
CA295195A
Other languages
English (en)
Inventor
G. Dunham Bert
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 Inc
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA295195A publication Critical patent/CA295195A/fr
Expired legal-status Critical Current

Links

CA295195A Systeme telephonique Expired CA295195A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA295195T

Publications (1)

Publication Number Publication Date
CA295195A true CA295195A (fr) 1929-11-26

Family

ID=35232513

Family Applications (1)

Application Number Title Priority Date Filing Date
CA295195A Expired CA295195A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA295195A (fr)

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