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ADOLPHE DUCONSEIL
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ADOLPHE DUCONSEIL
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Application filed by ADOLPHE DUCONSEILfiledCriticalADOLPHE DUCONSEIL
Application grantedgrantedCritical
Publication of FR405772ApublicationCriticalpatent/FR405772A/fr
G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
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Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Acoustics & Sound
(AREA)
Multimedia
(AREA)
FR405772D1909-08-071909-08-07Distributeur de sons applicable aux machines parlantes
ExpiredFR405772A
(fr)