CA218937A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA218937A
CA218937A CA218937A CA218937DA CA218937A CA 218937 A CA218937 A CA 218937A CA 218937 A CA218937 A CA 218937A CA 218937D A CA218937D A CA 218937DA CA 218937 A CA218937 A CA 218937A
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
CA218937A
Other languages
English (en)
Inventor
B. Fowler Clarence
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 CA218937A publication Critical patent/CA218937A/fr
Expired legal-status Critical Current

Links

CA218937A Systeme telephonique Expired CA218937A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA218937T

Publications (1)

Publication Number Publication Date
CA218937A true CA218937A (fr) 1922-05-23

Family

ID=35113381

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218937A Expired CA218937A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA218937A (fr)

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