CA519014A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA519014A
CA519014A CA519014A CA519014DA CA519014A CA 519014 A CA519014 A CA 519014A CA 519014 A CA519014 A CA 519014A CA 519014D A CA519014D A CA 519014DA CA 519014 A CA519014 A CA 519014A
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
CA519014A
Other languages
French (fr)
Inventor
H. Faulkner Alfred
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 CA519014A publication Critical patent/CA519014A/en
Expired legal-status Critical Current

Links

CA519014A Telephone systems Expired CA519014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA519014T

Publications (1)

Publication Number Publication Date
CA519014A true CA519014A (en) 1955-11-29

Family

ID=35672220

Family Applications (1)

Application Number Title Priority Date Filing Date
CA519014A Expired CA519014A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA519014A (en)

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