CA216058A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA216058A
CA216058A CA216058A CA216058DA CA216058A CA 216058 A CA216058 A CA 216058A CA 216058 A CA216058 A CA 216058A CA 216058D A CA216058D A CA 216058DA CA 216058 A CA216058 A CA 216058A
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
CA216058A
Other languages
English (en)
Inventor
H. Clarke Edgar
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 CA216058A publication Critical patent/CA216058A/fr
Expired legal-status Critical Current

Links

CA216058A Systeme telephonique Expired CA216058A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA216058T

Publications (1)

Publication Number Publication Date
CA216058A true CA216058A (fr) 1922-02-21

Family

ID=35110502

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216058A Expired CA216058A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA216058A (fr)

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