CA476517A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA476517A
CA476517A CA476517A CA476517DA CA476517A CA 476517 A CA476517 A CA 476517A CA 476517 A CA476517 A CA 476517A CA 476517D A CA476517D A CA 476517DA CA 476517 A CA476517 A CA 476517A
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
CA476517A
Other languages
French (fr)
Inventor
Molnar Imre
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 CA476517A publication Critical patent/CA476517A/en
Expired legal-status Critical Current

Links

CA476517A Telephone systems Expired CA476517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA476517T

Publications (1)

Publication Number Publication Date
CA476517A true CA476517A (en) 1951-08-28

Family

ID=35616147

Family Applications (1)

Application Number Title Priority Date Filing Date
CA476517A Expired CA476517A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA476517A (en)

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