CA405029A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA405029A
CA405029A CA405029A CA405029DA CA405029A CA 405029 A CA405029 A CA 405029A CA 405029 A CA405029 A CA 405029A CA 405029D A CA405029D A CA 405029DA CA 405029 A CA405029 A CA 405029A
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
CA405029A
Other languages
English (en)
Inventor
G. Richardson Rodney
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 CA405029A publication Critical patent/CA405029A/fr
Expired legal-status Critical Current

Links

CA405029A Systeme telephonique Expired CA405029A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA405029T

Publications (1)

Publication Number Publication Date
CA405029A true CA405029A (fr) 1942-05-26

Family

ID=35416328

Family Applications (1)

Application Number Title Priority Date Filing Date
CA405029A Expired CA405029A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA405029A (fr)

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