Loudspeaker
United States Patent 3055991

Inventors:
Reuben, Guss
Publication Date:
09/25/1962
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Assignee:
Reuben, Guss
Primary Class:
Other Classes:
381/421
International Classes:
H04R9/02; H04R9/06; H04R9/00
Foreign References:
GB312950A
GB326614A
FR37274A
GB705100A
FR1102175A