CA293003A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA293003A
CA293003A CA293003A CA293003DA CA293003A CA 293003 A CA293003 A CA 293003A CA 293003 A CA293003 A CA 293003A CA 293003D A CA293003D A CA 293003DA CA 293003 A CA293003 A CA 293003A
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
CA293003A
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 CA293003A publication Critical patent/CA293003A/fr
Expired legal-status Critical Current

Links

CA293003A Systeme telephonique Expired CA293003A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA293003T

Publications (1)

Publication Number Publication Date
CA293003A true CA293003A (fr) 1929-09-10

Family

ID=35230322

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293003A Expired CA293003A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA293003A (fr)

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