CA344433A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA344433A
CA344433A CA344433A CA344433DA CA344433A CA 344433 A CA344433 A CA 344433A CA 344433 A CA344433 A CA 344433A CA 344433D A CA344433D A CA 344433DA CA 344433 A CA344433 A CA 344433A
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
CA344433A
Other languages
English (en)
Inventor
H. Smith Howard
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 CA344433A publication Critical patent/CA344433A/fr
Expired legal-status Critical Current

Links

CA344433A Systeme telephonique Expired CA344433A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA344433T

Publications (1)

Publication Number Publication Date
CA344433A true CA344433A (fr) 1934-09-04

Family

ID=35315706

Family Applications (1)

Application Number Title Priority Date Filing Date
CA344433A Expired CA344433A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA344433A (fr)

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