CA452407A - Circuit telephonique - Google Patents

Circuit telephonique

Info

Publication number
CA452407A
CA452407A CA452407A CA452407DA CA452407A CA 452407 A CA452407 A CA 452407A CA 452407 A CA452407 A CA 452407A CA 452407D A CA452407D A CA 452407DA CA 452407 A CA452407 A CA 452407A
Authority
CA
Canada
Prior art keywords
telephone circuit
telephone
circuit
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
CA452407A
Other languages
English (en)
Inventor
Simonds Johnson Kenneth
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 CA452407A publication Critical patent/CA452407A/fr
Expired legal-status Critical Current

Links

CA452407A Circuit telephonique Expired CA452407A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA452407T

Publications (1)

Publication Number Publication Date
CA452407A true CA452407A (fr) 1948-11-02

Family

ID=35570136

Family Applications (1)

Application Number Title Priority Date Filing Date
CA452407A Expired CA452407A (fr) Circuit telephonique

Country Status (1)

Country Link
CA (1) CA452407A (fr)

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