CA493424A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA493424A
CA493424A CA493424A CA493424DA CA493424A CA 493424 A CA493424 A CA 493424A CA 493424 A CA493424 A CA 493424A CA 493424D A CA493424D A CA 493424DA CA 493424 A CA493424 A CA 493424A
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
CA493424A
Other languages
English (en)
Inventor
Mckim Burton
B. Strickler Walter
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
Publication date
Application granted granted Critical
Publication of CA493424A publication Critical patent/CA493424A/fr
Expired legal-status Critical Current

Links

CA493424A Systeme telephonique Expired CA493424A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA493424T

Publications (1)

Publication Number Publication Date
CA493424A true CA493424A (fr) 1953-06-02

Family

ID=35638813

Family Applications (1)

Application Number Title Priority Date Filing Date
CA493424A Expired CA493424A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA493424A (fr)

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