CA426772A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA426772A
CA426772A CA426772A CA426772DA CA426772A CA 426772 A CA426772 A CA 426772A CA 426772 A CA426772 A CA 426772A CA 426772D A CA426772D A CA 426772DA CA 426772 A CA426772 A CA 426772A
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
CA426772A
Other languages
English (en)
Inventor
Byron Newsom 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 Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA426772A publication Critical patent/CA426772A/fr
Expired legal-status Critical Current

Links

CA426772A Systeme telephonique Expired CA426772A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA426772T

Publications (1)

Publication Number Publication Date
CA426772A true CA426772A (fr) 1945-04-10

Family

ID=35537800

Family Applications (1)

Application Number Title Priority Date Filing Date
CA426772A Expired CA426772A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA426772A (fr)

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