CA374237A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA374237A
CA374237A CA374237A CA374237DA CA374237A CA 374237 A CA374237 A CA 374237A CA 374237 A CA374237 A CA 374237A CA 374237D A CA374237D A CA 374237DA CA 374237 A CA374237 A CA 374237A
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
CA374237A
Other languages
English (en)
Inventor
R. Fowler Ralph
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 CA374237A publication Critical patent/CA374237A/fr
Expired legal-status Critical Current

Links

CA374237A Systeme telephonique Expired CA374237A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA374237T

Publications (1)

Publication Number Publication Date
CA374237A true CA374237A (fr) 1938-06-07

Family

ID=35378561

Family Applications (1)

Application Number Title Priority Date Filing Date
CA374237A Expired CA374237A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA374237A (fr)

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