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CA399200A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA399200A
CA399200A CA399200A CA399200DA CA399200A CA 399200 A CA399200 A CA 399200A CA 399200 A CA399200 A CA 399200A CA 399200D A CA399200D A CA 399200DA CA 399200 A CA399200 A CA 399200A
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
CA399200A
Other languages
English (en)
Inventor
H. Saunders Norman
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 CA399200A publication Critical patent/CA399200A/fr
Expired legal-status Critical Current

Links

CA399200A Systeme telephonique Expired CA399200A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA399200T

Publications (1)

Publication Number Publication Date
CA399200A true CA399200A (fr) 1941-09-09

Family

ID=35409660

Family Applications (1)

Application Number Title Priority Date Filing Date
CA399200A Expired CA399200A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA399200A (fr)

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