CA373989A - Acoustic apparatus - Google Patents

Acoustic apparatus

Info

Publication number
CA373989A
CA373989A CA373989A CA373989DA CA373989A CA 373989 A CA373989 A CA 373989A CA 373989 A CA373989 A CA 373989A CA 373989D A CA373989D A CA 373989DA CA 373989 A CA373989 A CA 373989A
Authority
CA
Canada
Prior art keywords
acoustic apparatus
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
CA373989A
Other languages
French (fr)
Inventor
F. Olson Harry
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA373989A publication Critical patent/CA373989A/en
Expired legal-status Critical Current

Links

CA373989A Acoustic apparatus Expired CA373989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA373989T

Publications (1)

Publication Number Publication Date
CA373989A true CA373989A (en) 1938-05-24

Family

ID=35378313

Family Applications (1)

Application Number Title Priority Date Filing Date
CA373989A Expired CA373989A (en) Acoustic apparatus

Country Status (1)

Country Link
CA (1) CA373989A (en)

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