CA450480A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA450480A
CA450480A CA450480A CA450480DA CA450480A CA 450480 A CA450480 A CA 450480A CA 450480 A CA450480 A CA 450480A CA 450480D A CA450480D A CA 450480DA CA 450480 A CA450480 A CA 450480A
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
CA450480A
Other languages
English (en)
Inventor
W. Dehn Joseph
C. Goddard Myron
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 CA450480A publication Critical patent/CA450480A/fr
Expired legal-status Critical Current

Links

CA450480A Systeme telephonique Expired CA450480A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA450480T

Publications (1)

Publication Number Publication Date
CA450480A true CA450480A (fr) 1948-08-10

Family

ID=35568198

Family Applications (1)

Application Number Title Priority Date Filing Date
CA450480A Expired CA450480A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA450480A (fr)

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