CA293002A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA293002A
CA293002A CA293002A CA293002DA CA293002A CA 293002 A CA293002 A CA 293002A CA 293002 A CA293002 A CA 293002A CA 293002D A CA293002D A CA 293002DA CA 293002 A CA293002 A CA 293002A
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
CA293002A
Other languages
English (en)
Inventor
Wicks John
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 CA293002A publication Critical patent/CA293002A/fr
Expired legal-status Critical Current

Links

CA293002A Systeme telephonique Expired CA293002A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA293002T

Publications (1)

Publication Number Publication Date
CA293002A true CA293002A (fr) 1929-09-10

Family

ID=35230321

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293002A Expired CA293002A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA293002A (fr)

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