CA512310A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA512310A
CA512310A CA512310A CA512310DA CA512310A CA 512310 A CA512310 A CA 512310A CA 512310 A CA512310 A CA 512310A CA 512310D A CA512310D A CA 512310DA CA 512310 A CA512310 A CA 512310A
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
CA512310A
Other languages
French (fr)
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 CA512310A publication Critical patent/CA512310A/en
Expired legal-status Critical Current

Links

CA512310A Telephone systems Expired CA512310A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA512310T

Publications (1)

Publication Number Publication Date
CA512310A true CA512310A (en) 1955-04-26

Family

ID=35663386

Family Applications (1)

Application Number Title Priority Date Filing Date
CA512310A Expired CA512310A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA512310A (en)

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