CA292865A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA292865A
CA292865A CA292865A CA292865DA CA292865A CA 292865 A CA292865 A CA 292865A CA 292865 A CA292865 A CA 292865A CA 292865D A CA292865D A CA 292865DA CA 292865 A CA292865 A CA 292865A
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
CA292865A
Other languages
English (en)
Inventor
L. Nelson Martin
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 CA292865A publication Critical patent/CA292865A/fr
Expired legal-status Critical Current

Links

CA292865A Systeme telephonique Expired CA292865A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA292865T

Publications (1)

Publication Number Publication Date
CA292865A true CA292865A (fr) 1929-09-03

Family

ID=35230184

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292865A Expired CA292865A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA292865A (fr)

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