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ANCIENS TH BOTI Ets
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Publication of FR460271ApublicationCriticalpatent/FR460271A/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
G10K9/10—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by mechanical means only
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FR460271D1913-07-121913-07-12Perfectionnements aux avertisseurs mécaniques pour automobiles et autres véhicules
ExpiredFR460271A
(fr)