CA455720A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA455720A
CA455720A CA455720A CA455720DA CA455720A CA 455720 A CA455720 A CA 455720A CA 455720 A CA455720 A CA 455720A CA 455720D A CA455720D A CA 455720DA CA 455720 A CA455720 A CA 455720A
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
CA455720A
Other languages
English (en)
Inventor
H. Voss John
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 CA455720A publication Critical patent/CA455720A/fr
Expired legal-status Critical Current

Links

CA455720A Systeme telephonique Expired CA455720A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA455720T

Publications (1)

Publication Number Publication Date
CA455720A true CA455720A (fr) 1949-04-05

Family

ID=35573460

Family Applications (1)

Application Number Title Priority Date Filing Date
CA455720A Expired CA455720A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA455720A (fr)

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