CA416348A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA416348A
CA416348A CA416348A CA416348DA CA416348A CA 416348 A CA416348 A CA 416348A CA 416348 A CA416348 A CA 416348A CA 416348D A CA416348D A CA 416348DA CA 416348 A CA416348 A CA 416348A
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
CA416348A
Other languages
English (en)
Inventor
Burton Mckim James
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA416348A publication Critical patent/CA416348A/fr
Expired legal-status Critical Current

Links

CA416348A Systeme telephonique Expired CA416348A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416348T

Publications (1)

Publication Number Publication Date
CA416348A true CA416348A (fr) 1943-11-09

Family

ID=35525568

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416348A Expired CA416348A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA416348A (fr)

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