Hulling; Husking; Decorticating (decorticating textile fibres D01B1/14); Polishing; Removing the awns (in threshing machines A01F12/42); Degerming

Child Classifications

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• B02B 3/02 by means of discs
• B02B 3/04 by means of rollers
• B02B 3/06 by means of screws or worms
• B02B 3/08 by means of beaters or blades
• B02B 3/10 by means of brushes
• B02B 3/12 by means of fluid
• B02B 3/14 Producing flour or meal directly