CA270757A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA270757A
CA270757A CA270757A CA270757DA CA270757A CA 270757 A CA270757 A CA 270757A CA 270757 A CA270757 A CA 270757A CA 270757D A CA270757D A CA 270757DA CA 270757 A CA270757 A CA 270757A
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
CA270757A
Other languages
French (fr)
Inventor
F. Stehlik Rudolph
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 CA270757A publication Critical patent/CA270757A/en
Expired legal-status Critical Current

Links

CA270757A Telephone system Expired CA270757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA270757T

Publications (1)

Publication Number Publication Date
CA270757A true CA270757A (en) 1927-05-17

Family

ID=35200788

Family Applications (1)

Application Number Title Priority Date Filing Date
CA270757A Expired CA270757A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA270757A (en)

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