CA235462A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA235462A
CA235462A CA235462A CA235462DA CA235462A CA 235462 A CA235462 A CA 235462A CA 235462 A CA235462 A CA 235462A CA 235462D A CA235462D A CA 235462DA CA 235462 A CA235462 A CA 235462A
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
CA235462A
Other languages
English (en)
Inventor
T. Powell Winfred
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 CA235462A publication Critical patent/CA235462A/fr
Expired legal-status Critical Current

Links

CA235462A Systeme telephonique Expired CA235462A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA235462T

Publications (1)

Publication Number Publication Date
CA235462A true CA235462A (fr) 1923-11-06

Family

ID=35132836

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235462A Expired CA235462A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA235462A (fr)

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