CA309302A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA309302A
CA309302A CA309302A CA309302DA CA309302A CA 309302 A CA309302 A CA 309302A CA 309302 A CA309302 A CA 309302A CA 309302D A CA309302D A CA 309302DA CA 309302 A CA309302 A CA 309302A
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
CA309302A
Other languages
French (fr)
Inventor
C. Hovland Ole
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 CA309302A publication Critical patent/CA309302A/en
Expired legal-status Critical Current

Links

CA309302A Telephone system Expired CA309302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA309302T

Publications (1)

Publication Number Publication Date
CA309302A true CA309302A (en) 1931-03-10

Family

ID=35268625

Family Applications (1)

Application Number Title Priority Date Filing Date
CA309302A Expired CA309302A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA309302A (en)

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