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CA426771A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA426771A
CA426771A CA426771A CA426771DA CA426771A CA 426771 A CA426771 A CA 426771A CA 426771 A CA426771 A CA 426771A CA 426771D A CA426771D A CA 426771DA CA 426771 A CA426771 A CA 426771A
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
CA426771A
Other languages
English (en)
Inventor
Byron Newsom James
Everett Collis Raymond
William Dehn Joseph
Emerson Hersey Ralph
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 CA426771A publication Critical patent/CA426771A/fr
Expired legal-status Critical Current

Links

CA426771A Systeme telephonique Expired CA426771A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA426771T

Publications (1)

Publication Number Publication Date
CA426771A true CA426771A (fr) 1945-04-10

Family

ID=35537799

Family Applications (1)

Application Number Title Priority Date Filing Date
CA426771A Expired CA426771A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA426771A (fr)

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