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B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
B66B11/04—Driving gear ; Details thereof, e.g. seals
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FR318988D1902-02-241902-02-24Perfectionnements dans les freins pour les grues et autres appareils similaires actionnés par l'électricité
ExpiredFR318988A
(fr)