CA602931A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA602931A
CA602931A CA602931A CA602931DA CA602931A CA 602931 A CA602931 A CA 602931A CA 602931 A CA602931 A CA 602931A CA 602931D A CA602931D A CA 602931DA CA 602931 A CA602931 A CA 602931A
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
CA602931A
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 CA602931A publication Critical patent/CA602931A/en
Expired legal-status Critical Current

Links

CA602931A Telephone systems Expired CA602931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA602931T

Publications (1)

Publication Number Publication Date
CA602931A true CA602931A (en) 1960-08-02

Family

ID=35818727

Family Applications (1)

Application Number Title Priority Date Filing Date
CA602931A Expired CA602931A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA602931A (en)

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