CA236131A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA236131A
CA236131A CA236131A CA236131DA CA236131A CA 236131 A CA236131 A CA 236131A CA 236131 A CA236131 A CA 236131A CA 236131D A CA236131D A CA 236131DA CA 236131 A CA236131 A CA 236131A
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
CA236131A
Other languages
English (en)
Inventor
J. Ray Arthur
D. Willis Bernard
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 CA236131A publication Critical patent/CA236131A/fr
Expired legal-status Critical Current

Links

CA236131A Systeme telephonique Expired CA236131A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236131T

Publications (1)

Publication Number Publication Date
CA236131A true CA236131A (fr) 1923-12-04

Family

ID=35133505

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236131A Expired CA236131A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA236131A (fr)

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