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Publication of FR708570ApublicationCriticalpatent/FR708570A/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
G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
G10K9/22—Mountings; Casings
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Acoustics & Sound
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FR708570D1930-12-301930-12-30Cornet-avertisseur pour véhicules automobiles et autres et son mode de réalisation
ExpiredFR708570A
(fr)