CA462890A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA462890A
CA462890A CA462890A CA462890DA CA462890A CA 462890 A CA462890 A CA 462890A CA 462890 A CA462890 A CA 462890A CA 462890D A CA462890D A CA 462890DA CA 462890 A CA462890 A CA 462890A
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
CA462890A
Other languages
English (en)
Inventor
E. Lomax Clarence
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 CA462890A publication Critical patent/CA462890A/fr
Expired legal-status Critical Current

Links

CA462890A Systeme telephonique Expired CA462890A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA462890T

Publications (1)

Publication Number Publication Date
CA462890A true CA462890A (fr) 1950-01-31

Family

ID=35592596

Family Applications (1)

Application Number Title Priority Date Filing Date
CA462890A Expired CA462890A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA462890A (fr)

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