CA623535A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA623535A
CA623535A CA623535A CA623535DA CA623535A CA 623535 A CA623535 A CA 623535A CA 623535 A CA623535 A CA 623535A CA 623535D A CA623535D A CA 623535DA CA 623535 A CA623535 A CA 623535A
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
CA623535A
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 CA623535A publication Critical patent/CA623535A/en
Expired legal-status Critical Current

Links

CA623535A Telephone systems Expired CA623535A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA623535T

Publications (1)

Publication Number Publication Date
CA623535A true CA623535A (en) 1961-07-11

Family

ID=35878714

Family Applications (1)

Application Number Title Priority Date Filing Date
CA623535A Expired CA623535A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA623535A (en)

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