CA380803A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA380803A
CA380803A CA380803A CA380803DA CA380803A CA 380803 A CA380803 A CA 380803A CA 380803 A CA380803 A CA 380803A CA 380803D A CA380803D A CA 380803DA CA 380803 A CA380803 A CA 380803A
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
CA380803A
Other languages
French (fr)
Inventor
Thomas Baker George
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 CA380803A publication Critical patent/CA380803A/en
Expired legal-status Critical Current

Links

CA380803A Telephone system Expired CA380803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA380803T

Publications (1)

Publication Number Publication Date
CA380803A true CA380803A (en) 1939-04-18

Family

ID=35386046

Family Applications (1)

Application Number Title Priority Date Filing Date
CA380803A Expired CA380803A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA380803A (en)

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