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HENRI GABRIEL HUGUES DE GUILLI
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HENRI GABRIEL HUGUES DE GUILLI
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Application filed by HENRI GABRIEL HUGUES DE GUILLIfiledCriticalHENRI GABRIEL HUGUES DE GUILLI
Application grantedgrantedCritical
Publication of FR459851ApublicationCriticalpatent/FR459851A/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
G10K7/00—Sirens
G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor
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Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
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FR459851D1912-09-171912-09-17Système d'avertisseur-sirène, pour automobiles, motocyclettes et autres véhicules du meme genre
ExpiredFR459851A
(fr)