CA427094A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA427094A
CA427094A CA427094A CA427094DA CA427094A CA 427094 A CA427094 A CA 427094A CA 427094 A CA427094 A CA 427094A CA 427094D A CA427094D A CA 427094DA CA 427094 A CA427094 A CA 427094A
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
CA427094A
Other languages
English (en)
Inventor
F. Lewis Benjamin
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 CA427094A publication Critical patent/CA427094A/fr
Expired legal-status Critical Current

Links

CA427094A Systeme telephonique Expired CA427094A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA427094T

Publications (1)

Publication Number Publication Date
CA427094A true CA427094A (fr) 1945-04-24

Family

ID=35538122

Family Applications (1)

Application Number Title Priority Date Filing Date
CA427094A Expired CA427094A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA427094A (fr)

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