CA215091A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA215091A
CA215091A CA215091A CA215091DA CA215091A CA 215091 A CA215091 A CA 215091A CA 215091 A CA215091 A CA 215091A CA 215091D A CA215091D A CA 215091DA CA 215091 A CA215091 A CA 215091A
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
CA215091A
Other languages
English (en)
Inventor
H. Kuhl George
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 CA215091A publication Critical patent/CA215091A/fr
Expired legal-status Critical Current

Links

CA215091A Systeme telephonique Expired CA215091A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA215091T

Publications (1)

Publication Number Publication Date
CA215091A true CA215091A (fr) 1922-01-10

Family

ID=35109535

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215091A Expired CA215091A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA215091A (fr)

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