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AIME WILCKEN
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AIME WILCKEN
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Publication of FR422992ApublicationCriticalpatent/FR422992A/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
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Engineering & Computer Science
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Acoustics & Sound
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Multimedia
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FR422992A1910-03-031910-11-14Perfectionnements apportés à l'acoustique des machines parlantes
ExpiredFR422992A
(fr)