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D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
D01B3/00—Mechanical removal of impurities from animal fibres
D01B3/04—Machines or apparatus for washing or scouring loose wool fibres
D01B3/10—Details of machines or apparatus
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FR680637D1929-08-211929-08-21
Improved device for separating wool grease or grease and similar products from the degreasing of wool
ExpiredFR680637A
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