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B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
B02C18/26—Disintegrating by knives or other cutting or tearing members which chop material into fragments with knives which both reciprocate and rotate
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FR1016091D1950-04-071950-04-07Procédé et dispositifs pour la production de poudres fines
ExpiredFR1016091A
(fr)