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Continuous crushing method and apparatus
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Patent number 6,838,221
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Issue date Jan 4, 2005
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Ricoh Company, Ltd.
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Tomiaki Ito
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Vacuum-spraying grinder
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Patent number 4,179,075
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Issue date Dec 18, 1979
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Creusot-Loire
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Claude Rachais
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...