Description
Class B02C : CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
Subclass 4/04: Crushing or disintegrating by roller mills (with milling members in the form of rollers or balls co-operating with rings or discs B02C 15/00; roller mills or roll refiners exclusively for chocolate A23G 1/1, A23G 1/12) with two or more rollers specially adapted for milling paste-like material, e.g. paint, chocolate, colloids