CA429043A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA429043A
CA429043A CA429043A CA429043DA CA429043A CA 429043 A CA429043 A CA 429043A CA 429043 A CA429043 A CA 429043A CA 429043D A CA429043D A CA 429043DA CA 429043 A CA429043 A CA 429043A
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
CA429043A
Other languages
English (en)
Inventor
Henry Towne Holden William
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 Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA429043A publication Critical patent/CA429043A/fr
Expired legal-status Critical Current

Links

CA429043A Systeme telephonique Expired CA429043A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA429043T

Publications (1)

Publication Number Publication Date
CA429043A true CA429043A (fr) 1945-07-24

Family

ID=35544032

Family Applications (1)

Application Number Title Priority Date Filing Date
CA429043A Expired CA429043A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA429043A (fr)

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