CA298685A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA298685A
CA298685A CA298685A CA298685DA CA298685A CA 298685 A CA298685 A CA 298685A CA 298685 A CA298685 A CA 298685A CA 298685D A CA298685D A CA 298685DA CA 298685 A CA298685 A CA 298685A
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
CA298685A
Other languages
English (en)
Inventor
F. Gould Roy
E. Schomaker George
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 CA298685A publication Critical patent/CA298685A/fr
Expired legal-status Critical Current

Links

CA298685A Systeme telephonique Expired CA298685A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA298685T

Publications (1)

Publication Number Publication Date
CA298685A true CA298685A (fr) 1930-03-25

Family

ID=35236004

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298685A Expired CA298685A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA298685A (fr)

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