CA448982A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA448982A
CA448982A CA448982A CA448982DA CA448982A CA 448982 A CA448982 A CA 448982A CA 448982 A CA448982 A CA 448982A CA 448982D A CA448982D A CA 448982DA CA 448982 A CA448982 A CA 448982A
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
CA448982A
Other languages
French (fr)
Inventor
Avis Pearce Owen
William Mcclew 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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA448982A publication Critical patent/CA448982A/en
Expired legal-status Critical Current

Links

CA448982A Telephone system Expired CA448982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA448982T

Publications (1)

Publication Number Publication Date
CA448982A true CA448982A (en) 1948-06-08

Family

ID=35566682

Family Applications (1)

Application Number Title Priority Date Filing Date
CA448982A Expired CA448982A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA448982A (en)

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