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Crushing And Grinding Definition Wikipedia

CRUSHING PULVERISING OR DISINTEGRATING IN GENERAL MILLING GRAIN household tools and machines for pulverising foodstuffs e.g. coffee and spice mills A47J 4200 pharmaceutical mortars A61J 302 mechanical processing of refuse and garbage B03B 906 dressing mould materials by grinding B22C 504 obtaining metallic powder by crushing grinding or milling B22F 904

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