CA426425A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA426425A
CA426425A CA426425A CA426425DA CA426425A CA 426425 A CA426425 A CA 426425A CA 426425 A CA426425 A CA 426425A CA 426425D A CA426425D A CA 426425DA CA 426425 A CA426425 A CA 426425A
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
CA426425A
Other languages
English (en)
Inventor
Everett Collis Reymond
Emerson Hersey Ralph
Byron Newson James
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 CA426425A publication Critical patent/CA426425A/fr
Expired legal-status Critical Current

Links

CA426425A Systeme telephonique Expired CA426425A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA426425T

Publications (1)

Publication Number Publication Date
CA426425A true CA426425A (fr) 1945-03-27

Family

ID=35537448

Family Applications (1)

Application Number Title Priority Date Filing Date
CA426425A Expired CA426425A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA426425A (fr)

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