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CA300186A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA300186A
CA300186A CA300186A CA300186DA CA300186A CA 300186 A CA300186 A CA 300186A CA 300186 A CA300186 A CA 300186A CA 300186D A CA300186D A CA 300186DA CA 300186 A CA300186 A CA 300186A
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
CA300186A
Other languages
English (en)
Inventor
L. Ruggles Leonard
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 CA300186A publication Critical patent/CA300186A/fr
Expired legal-status Critical Current

Links

CA300186A Systeme telephonique Expired CA300186A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA300186T

Publications (1)

Publication Number Publication Date
CA300186A true CA300186A (fr) 1930-05-13

Family

ID=35237505

Family Applications (1)

Application Number Title Priority Date Filing Date
CA300186A Expired CA300186A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA300186A (fr)

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