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Comminution apparatus
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Patent number 7,229,037
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Issue date Jun 12, 2007
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Peter E. Hayles, Jr.
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Comminution apparatus
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Patent number 7,059,552
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Issue date Jun 13, 2006
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Peter E. Hayles, Jr.
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...