CA447586A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA447586A
CA447586A CA447586A CA447586DA CA447586A CA 447586 A CA447586 A CA 447586A CA 447586 A CA447586 A CA 447586A CA 447586D A CA447586D A CA 447586DA CA 447586 A CA447586 A CA 447586A
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
CA447586A
Other languages
English (en)
Inventor
E. Lomax Clarence
Bakker Pier
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 CA447586A publication Critical patent/CA447586A/fr
Expired legal-status Critical Current

Links

CA447586A Systeme telephonique Expired CA447586A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447586T

Publications (1)

Publication Number Publication Date
CA447586A true CA447586A (fr) 1948-03-30

Family

ID=35565268

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447586A Expired CA447586A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA447586A (fr)

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