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Powder classifier
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Patent number 5,931,305
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Issue date Aug 3, 1999
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Nisshin Flour Milling Co., Ltd.
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Satoshi Akiyama
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Mechanical grinding apparatus
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Patent number 5,845,855
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Issue date Dec 8, 1998
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Nisshin Flour Milling Co., Ltd.
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Yukiyoshi Yamada
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...