CA239553A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA239553A
CA239553A CA239553A CA239553DA CA239553A CA 239553 A CA239553 A CA 239553A CA 239553 A CA239553 A CA 239553A CA 239553D A CA239553D A CA 239553DA CA 239553 A CA239553 A CA 239553A
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
CA239553A
Other languages
English (en)
Inventor
E. Gardner 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 CA239553A publication Critical patent/CA239553A/fr
Expired legal-status Critical Current

Links

CA239553A Systeme telephonique Expired CA239553A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA239553T

Publications (1)

Publication Number Publication Date
CA239553A true CA239553A (fr) 1924-04-22

Family

ID=35143584

Family Applications (1)

Application Number Title Priority Date Filing Date
CA239553A Expired CA239553A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA239553A (fr)

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