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Title:
TWIN EQUILATERAL SOUND SPEAKER ENCLOSURE
Document Type and Number:
United States Patent 3529691
Inventors:
Wesemann, Fred A.
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Publication Date:
09/22/1970
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Assignee:
Fred, Wesemann A.
Primary Class:
181/156
International Classes:
H04R1/28
; G10K13/00
US Patent References:
2217279
Acoustic apparatus
3327808
Loud speaker housing
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