CA215085A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA215085A
CA215085A CA215085A CA215085DA CA215085A CA 215085 A CA215085 A CA 215085A CA 215085 A CA215085 A CA 215085A CA 215085D A CA215085D A CA 215085DA CA 215085 A CA215085 A CA 215085A
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
CA215085A
Other languages
English (en)
Inventor
A. Lundquist Frank
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.)
INTERNATIONAL WESTERN ELECTRIC CO
Original Assignee
INTERNATIONAL WESTERN ELECTRIC CO
Publication date
Application granted granted Critical
Publication of CA215085A publication Critical patent/CA215085A/fr
Expired legal-status Critical Current

Links

CA215085A Systeme telephonique Expired CA215085A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA215085T

Publications (1)

Publication Number Publication Date
CA215085A true CA215085A (fr) 1922-01-10

Family

ID=35109529

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215085A Expired CA215085A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA215085A (fr)

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