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B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically
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FR563040D1923-03-031923-03-03Perfectionnements apportés aux moteurs servant à communiquer un mouvement alternatif aux appareils transporteurs
ExpiredFR563040A
(fr)