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CA238566A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA238566A
CA238566A CA238566A CA238566DA CA238566A CA 238566 A CA238566 A CA 238566A CA 238566 A CA238566 A CA 238566A CA 238566D A CA238566D A CA 238566DA CA 238566 A CA238566 A CA 238566A
Authority
CA
Canada
Prior art keywords
acoustic device
acoustic
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
CA238566A
Other languages
French (fr)
Inventor
R. Lum George
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.)
INTERNATIONAL WESTERN ELECTRIC Co
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA238566A publication Critical patent/CA238566A/en
Expired legal-status Critical Current

Links

CA238566A Acoustic device Expired CA238566A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238566T

Publications (1)

Publication Number Publication Date
CA238566A true CA238566A (en) 1924-03-11

Family

ID=35142597

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238566A Expired CA238566A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA238566A (en)

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