CA228583A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA228583A
CA228583A CA228583A CA228583DA CA228583A CA 228583 A CA228583 A CA 228583A CA 228583 A CA228583 A CA 228583A CA 228583D A CA228583D A CA 228583DA CA 228583 A CA228583 A CA 228583A
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
CA228583A
Other languages
English (en)
Inventor
D. Willie Bernard
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 CA228583A publication Critical patent/CA228583A/fr
Expired legal-status Critical Current

Links

CA228583A Systeme telephonique Expired CA228583A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA228583T

Publications (1)

Publication Number Publication Date
CA228583A true CA228583A (fr) 1923-02-06

Family

ID=35124186

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228583A Expired CA228583A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA228583A (fr)

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