CA276286A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA276286A
CA276286A CA276286A CA276286DA CA276286A CA 276286 A CA276286 A CA 276286A CA 276286 A CA276286 A CA 276286A CA 276286D A CA276286D A CA 276286DA CA 276286 A CA276286 A CA 276286A
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
CA276286A
Other languages
English (en)
Inventor
J. Ray Arthur
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 CA276286A publication Critical patent/CA276286A/fr
Expired legal-status Critical Current

Links

CA276286A Systeme telephonique Expired CA276286A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA276286T

Publications (1)

Publication Number Publication Date
CA276286A true CA276286A (fr) 1927-12-13

Family

ID=35206318

Family Applications (1)

Application Number Title Priority Date Filing Date
CA276286A Expired CA276286A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA276286A (fr)

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