CA619776A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA619776A
CA619776A CA619776A CA619776DA CA619776A CA 619776 A CA619776 A CA 619776A CA 619776 A CA619776 A CA 619776A CA 619776D A CA619776D A CA 619776DA CA 619776 A CA619776 A CA 619776A
Authority
CA
Canada
Prior art keywords
telephone systems
telephone
systems
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
CA619776A
Inventor
E. Lomax Clarence
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 CA619776A publication Critical patent/CA619776A/en
Expired legal-status Critical Current

Links

CA619776A Telephone systems Expired CA619776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA619776T

Publications (1)

Publication Number Publication Date
CA619776A true CA619776A (en) 1961-05-09

Family

ID=35862059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA619776A Expired CA619776A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA619776A (en)

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