CA418315A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA418315A
CA418315A CA418315A CA418315DA CA418315A CA 418315 A CA418315 A CA 418315A CA 418315 A CA418315 A CA 418315A CA 418315D A CA418315D A CA 418315DA CA 418315 A CA418315 A CA 418315A
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
CA418315A
Other languages
English (en)
Inventor
Henry Voss John
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA418315A publication Critical patent/CA418315A/fr
Expired legal-status Critical Current

Links

CA418315A Systeme telephonique Expired CA418315A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA418315T

Publications (1)

Publication Number Publication Date
CA418315A true CA418315A (fr) 1944-02-08

Family

ID=35527579

Family Applications (1)

Application Number Title Priority Date Filing Date
CA418315A Expired CA418315A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA418315A (fr)

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