FR460752A - Procédé et dispositif pour actionner les avertisseurs acoustiques des véhicules automobiles, à l'aide de l'aspiration de leur moteur
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Procédé et dispositif pour actionner les avertisseurs acoustiques des véhicules automobiles, à l'aide de l'aspiration de leur moteur
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G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B3/00—Audible signalling systems; Audible personal calling systems
G08B3/06—Audible signalling systems; Audible personal calling systems using hydraulic transmission; using pneumatic transmission
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FR460752D1913-07-251913-07-25Procédé et dispositif pour actionner les avertisseurs acoustiques des véhicules automobiles, à l'aide de l'aspiration de leur moteur
ExpiredFR460752A
(fr)