C 11 B PRODUCING (pressing, extraction), REFINING OR PRESERVING FATS, FATTY SUBSTANCES (e.g. lanolin), FATTY OILS OR WAXES, INCLUDING EXTRACTION FROM WASTE MATERIALS; ESSENTIAL OILS; PERFUMES (drying-oils C 09 F)
C 11 B PRODUCTION (pressage, extraction), RAFFINAGE OU CONSERVATION DES GRAISSES, DES MATIERES GRASSES (p.ex. lanoline), DES HUILES OU DES CIRES, Y COMPRIS L'EXTRACTION A PARTIR DE RESIDUS; HUILES ESSENTIELLES; PARFUMS (huiles siccatives C 09 F)