Speaker motor case

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment

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D03641678

REFERENCES:
patent: D232440 (1974-08-01), Yanagawa
Radio Today, Caldwell-Clements Inc., 480 Lexington Ave. N.Y. Nov. 1936, p. 58, floating speaker mounting.
General Electric, Nov. 12, 1953, p. 1, Model A1-400 Dual Coaxial Loudspeaker.

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