CA211443A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA211443A
CA211443A CA211443A CA211443DA CA211443A CA 211443 A CA211443 A CA 211443A CA 211443 A CA211443 A CA 211443A CA 211443D A CA211443D A CA 211443DA CA 211443 A CA211443 A CA 211443A
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
CA211443A
Other languages
English (en)
Inventor
Wicks 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 CA211443A publication Critical patent/CA211443A/fr
Expired legal-status Critical Current

Links

CA211443A Systeme telephonique Expired CA211443A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA211443T

Publications (1)

Publication Number Publication Date
CA211443A true CA211443A (fr) 1921-05-10

Family

ID=35105222

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211443A Expired CA211443A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA211443A (fr)

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