CA374887A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA374887A
CA374887A CA374887A CA374887DA CA374887A CA 374887 A CA374887 A CA 374887A CA 374887 A CA374887 A CA 374887A CA 374887D A CA374887D A CA 374887DA CA 374887 A CA374887 A CA 374887A
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
CA374887A
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 CA374887A publication Critical patent/CA374887A/fr
Expired legal-status Critical Current

Links

CA374887A Systeme telephonique Expired CA374887A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA374887T

Publications (1)

Publication Number Publication Date
CA374887A true CA374887A (fr) 1938-07-05

Family

ID=35379211

Family Applications (1)

Application Number Title Priority Date Filing Date
CA374887A Expired CA374887A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA374887A (fr)

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