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CA459027A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA459027A
CA459027A CA459027A CA459027DA CA459027A CA 459027 A CA459027 A CA 459027A CA 459027 A CA459027 A CA 459027A CA 459027D A CA459027D A CA 459027DA CA 459027 A CA459027 A CA 459027A
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
CA459027A
Other languages
French (fr)
Inventor
F. Lewis Benjamin
H. T. Holden William
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 CA459027A publication Critical patent/CA459027A/en
Expired legal-status Critical Current

Links

CA459027A Telephone system Expired CA459027A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA459027T

Publications (1)

Publication Number Publication Date
CA459027A true CA459027A (en) 1949-08-16

Family

ID=35577736

Family Applications (1)

Application Number Title Priority Date Filing Date
CA459027A Expired CA459027A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA459027A (en)

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