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CA428308A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA428308A
CA428308A CA428308A CA428308DA CA428308A CA 428308 A CA428308 A CA 428308A CA 428308 A CA428308 A CA 428308A CA 428308D A CA428308D A CA 428308DA CA 428308 A CA428308 A CA 428308A
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
CA428308A
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 CA428308A publication Critical patent/CA428308A/fr
Expired legal-status Critical Current

Links

CA428308A Systeme telephonique Expired CA428308A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA428308T

Publications (1)

Publication Number Publication Date
CA428308A true CA428308A (fr) 1945-06-19

Family

ID=35543286

Family Applications (1)

Application Number Title Priority Date Filing Date
CA428308A Expired CA428308A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA428308A (fr)

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