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Surface abrasive treatment of small objects
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Patent number 5,830,042
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Issue date Nov 3, 1998
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Koolmill Systems Limited
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Alexander Stephen Anderson
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Surface abrasive treatment of small objects
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Patent number 5,377,916
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Issue date Jan 3, 1995
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Koolmill Systems Limited
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Alexander S. Anderson
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...