CA298681A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA298681A
CA298681A CA298681A CA298681DA CA298681A CA 298681 A CA298681 A CA 298681A CA 298681 A CA298681 A CA 298681A CA 298681D A CA298681D A CA 298681DA CA 298681 A CA298681 A CA 298681A
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
CA298681A
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 CA298681A publication Critical patent/CA298681A/fr
Expired legal-status Critical Current

Links

CA298681A Systeme telephonique Expired CA298681A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA298681T

Publications (1)

Publication Number Publication Date
CA298681A true CA298681A (fr) 1930-03-25

Family

ID=35236000

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298681A Expired CA298681A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA298681A (fr)

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