CA331688A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA331688A
CA331688A CA331688A CA331688DA CA331688A CA 331688 A CA331688 A CA 331688A CA 331688 A CA331688 A CA 331688A CA 331688D A CA331688D A CA 331688DA CA 331688 A CA331688 A CA 331688A
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
CA331688A
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 CA331688A publication Critical patent/CA331688A/fr
Expired legal-status Critical Current

Links

CA331688A Systeme telephonique Expired CA331688A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA331688T

Publications (1)

Publication Number Publication Date
CA331688A true CA331688A (fr) 1933-04-11

Family

ID=35294058

Family Applications (1)

Application Number Title Priority Date Filing Date
CA331688A Expired CA331688A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA331688A (fr)

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