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C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
C11B3/00—Refining fats or fatty oils
C11B3/10—Refining fats or fatty oils by adsorption
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FR419785D1910-05-101910-08-27Procédé pour décolorer les graisses solides et semi-solides de tous genres
ExpiredFR419785A
(fr)