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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
C11B9/00—Essential oils; Perfumes
C11B9/02—Recovery or refining of essential oils from raw materials
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Engineering & Computer Science
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FR438939D1912-01-121912-01-12Procédé de fabrication de parfums solides
ExpiredFR438939A
(fr)