CA304261A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA304261A
CA304261A CA304261A CA304261DA CA304261A CA 304261 A CA304261 A CA 304261A CA 304261 A CA304261 A CA 304261A CA 304261D A CA304261D A CA 304261DA CA 304261 A CA304261 A CA 304261A
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
CA304261A
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 CA304261A publication Critical patent/CA304261A/fr
Expired legal-status Critical Current

Links

CA304261A Systeme telephonique Expired CA304261A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA304261T

Publications (1)

Publication Number Publication Date
CA304261A true CA304261A (fr) 1930-09-23

Family

ID=35257407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA304261A Expired CA304261A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA304261A (fr)

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