CA252193A - Reseau telephonique - Google Patents

Reseau telephonique

Info

Publication number
CA252193A
CA252193A CA252193A CA252193DA CA252193A CA 252193 A CA252193 A CA 252193A CA 252193 A CA252193 A CA 252193A CA 252193D A CA252193D A CA 252193DA CA 252193 A CA252193 A CA 252193A
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
CA252193A
Other languages
English (en)
Inventor
Savin John
Mercer Richard
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 CA252193A publication Critical patent/CA252193A/fr
Expired legal-status Critical Current

Links

CA252193A Reseau telephonique Expired CA252193A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA252193T

Publications (1)

Publication Number Publication Date
CA252193A true CA252193A (fr) 1925-07-28

Family

ID=35159167

Family Applications (1)

Application Number Title Priority Date Filing Date
CA252193A Expired CA252193A (fr) Reseau telephonique

Country Status (1)

Country Link
CA (1) CA252193A (fr)

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