CA373986A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA373986A
CA373986A CA373986A CA373986DA CA373986A CA 373986 A CA373986 A CA 373986A CA 373986 A CA373986 A CA 373986A CA 373986D A CA373986D A CA 373986DA CA 373986 A CA373986 A CA 373986A
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
CA373986A
Other languages
English (en)
Inventor
H. Saunders Norman
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 CA373986A publication Critical patent/CA373986A/fr
Expired legal-status Critical Current

Links

CA373986A Systeme telephonique Expired CA373986A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA373986T

Publications (1)

Publication Number Publication Date
CA373986A true CA373986A (fr) 1938-05-24

Family

ID=35378310

Family Applications (1)

Application Number Title Priority Date Filing Date
CA373986A Expired CA373986A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA373986A (fr)

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