CA507055A - Systeme de commutation electronique de telephone - Google Patents

Systeme de commutation electronique de telephone

Info

Publication number
CA507055A
CA507055A CA507055A CA507055DA CA507055A CA 507055 A CA507055 A CA 507055A CA 507055 A CA507055 A CA 507055A CA 507055D A CA507055D A CA 507055DA CA 507055 A CA507055 A CA 507055A
Authority
CA
Canada
Prior art keywords
switching system
telephone switching
electronic telephone
electronic
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
CA507055A
Other languages
English (en)
Inventor
A. Cornell Warren
I. Hall Nathan
E. Powell Harold
A. Korn Franklin
Hecht George
D. Koechling Charles
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 CA507055A publication Critical patent/CA507055A/fr
Expired legal-status Critical Current

Links

CA507055A Systeme de commutation electronique de telephone Expired CA507055A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA507055T

Publications (1)

Publication Number Publication Date
CA507055A true CA507055A (fr) 1954-11-02

Family

ID=35652989

Family Applications (1)

Application Number Title Priority Date Filing Date
CA507055A Expired CA507055A (fr) Systeme de commutation electronique de telephone

Country Status (1)

Country Link
CA (1) CA507055A (fr)

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