CA406560A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA406560A
CA406560A CA406560A CA406560DA CA406560A CA 406560 A CA406560 A CA 406560A CA 406560 A CA406560 A CA 406560A CA 406560D A CA406560D A CA 406560DA CA 406560 A CA406560 A CA 406560A
Authority
CA
Canada
Prior art keywords
telephone system
telephone
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
CA406560A
Other languages
French (fr)
Inventor
Wicks John
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 CA406560A publication Critical patent/CA406560A/en
Expired legal-status Critical Current

Links

CA406560A Telephone system Expired CA406560A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA406560T

Publications (1)

Publication Number Publication Date
CA406560A true CA406560A (en) 1942-08-04

Family

ID=35417860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA406560A Expired CA406560A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA406560A (en)

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