CA311311A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA311311A
CA311311A CA311311A CA311311DA CA311311A CA 311311 A CA311311 A CA 311311A CA 311311 A CA311311 A CA 311311A CA 311311D A CA311311D A CA 311311DA CA 311311 A CA311311 A CA 311311A
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
CA311311A
Other languages
French (fr)
Inventor
H. Voss John
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 CA311311A publication Critical patent/CA311311A/en
Expired legal-status Critical Current

Links

CA311311A Telephone system Expired CA311311A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA311311T

Publications (1)

Publication Number Publication Date
CA311311A true CA311311A (en) 1931-05-12

Family

ID=35270636

Family Applications (1)

Application Number Title Priority Date Filing Date
CA311311A Expired CA311311A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA311311A (en)

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