ACOUSTIC PANELS
United States Patent 3427915

Inventors:
Mooney, Melvin
Stevens, Dorothy
Publication Date:
02/18/1969
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Assignee:
Melvin, Mooney
Dorothy, Stevens
Primary Class:
84/275
Other Classes:
84/291, 984/102
International Classes:
G10D1/00; G10D1/02
Foreign References:
NO73448A
GB591268A
DE813802C




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