CA416951A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA416951A
CA416951A CA416951A CA416951DA CA416951A CA 416951 A CA416951 A CA 416951A CA 416951 A CA416951 A CA 416951A CA 416951D A CA416951D A CA 416951DA CA 416951 A CA416951 A CA 416951A
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
CA416951A
Other languages
English (en)
Inventor
Allmen Lundstrom Alexis
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 Inc
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA416951A publication Critical patent/CA416951A/fr
Expired legal-status Critical Current

Links

CA416951A Systeme telephonique Expired CA416951A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416951T

Publications (1)

Publication Number Publication Date
CA416951A true CA416951A (fr) 1943-12-07

Family

ID=35526186

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416951A Expired CA416951A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA416951A (fr)

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