CA421424A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA421424A
CA421424A CA421424A CA421424DA CA421424A CA 421424 A CA421424 A CA 421424A CA 421424 A CA421424 A CA 421424A CA 421424D A CA421424D A CA 421424DA CA 421424 A CA421424 A CA 421424A
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
CA421424A
Other languages
French (fr)
Inventor
H. Voss 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 CA421424A publication Critical patent/CA421424A/en
Expired legal-status Critical Current

Links

CA421424A Telephone system Expired CA421424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA421424T

Publications (1)

Publication Number Publication Date
CA421424A true CA421424A (en) 1944-07-11

Family

ID=35532386

Family Applications (1)

Application Number Title Priority Date Filing Date
CA421424A Expired CA421424A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA421424A (en)

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