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GASTON LAJOTTE
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GASTON LAJOTTE
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Publication of FR338546ApublicationCriticalpatent/FR338546A/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
G10K5/00—Whistles
Landscapes
Physics & Mathematics
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Acoustics & Sound
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(AREA)
FR338546D1903-12-301903-12-30Système de sifflet d'alarme pour canots ou véhicules automobiles
ExpiredFR338546A
(fr)