CA429738A - Circuit telephonique - Google Patents

Circuit telephonique

Info

Publication number
CA429738A
CA429738A CA429738A CA429738DA CA429738A CA 429738 A CA429738 A CA 429738A CA 429738 A CA429738 A CA 429738A CA 429738D A CA429738D A CA 429738DA CA 429738 A CA429738 A CA 429738A
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
CA429738A
Other languages
English (en)
Inventor
James Given Frederick
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 CA429738A publication Critical patent/CA429738A/fr
Expired legal-status Critical Current

Links

CA429738A Circuit telephonique Expired CA429738A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA429738T

Publications (1)

Publication Number Publication Date
CA429738A true CA429738A (fr) 1945-08-28

Family

ID=35544742

Family Applications (1)

Application Number Title Priority Date Filing Date
CA429738A Expired CA429738A (fr) Circuit telephonique

Country Status (1)

Country Link
CA (1) CA429738A (fr)

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