CA299372A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA299372A
CA299372A CA299372A CA299372DA CA299372A CA 299372 A CA299372 A CA 299372A CA 299372 A CA299372 A CA 299372A CA 299372D A CA299372D A CA 299372DA CA 299372 A CA299372 A CA 299372A
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
CA299372A
Other languages
English (en)
Inventor
F. Gould Roy
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 CA299372A publication Critical patent/CA299372A/fr
Expired legal-status Critical Current

Links

CA299372A Systeme telephonique Expired CA299372A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA299372T

Publications (1)

Publication Number Publication Date
CA299372A true CA299372A (fr) 1930-04-15

Family

ID=35236691

Family Applications (1)

Application Number Title Priority Date Filing Date
CA299372A Expired CA299372A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA299372A (fr)

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