CA288686A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA288686A
CA288686A CA288686A CA288686DA CA288686A CA 288686 A CA288686 A CA 288686A CA 288686 A CA288686 A CA 288686A CA 288686D A CA288686D A CA 288686DA CA 288686 A CA288686 A CA 288686A
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
CA288686A
Other languages
English (en)
Inventor
D. Willis Bernard
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 CA288686A publication Critical patent/CA288686A/fr
Expired legal-status Critical Current

Links

CA288686A Systeme telephonique Expired CA288686A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA288686T

Publications (1)

Publication Number Publication Date
CA288686A true CA288686A (fr) 1929-04-09

Family

ID=35225498

Family Applications (1)

Application Number Title Priority Date Filing Date
CA288686A Expired CA288686A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA288686A (fr)

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