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Roll press for crushing abrasive materials
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Patent number 6,086,003
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Issue date Jul 11, 2000
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Maschinenfabrik Koppern GmbH & Co. KG
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Harald Gunter
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Method of making a crushing roll
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Patent number 5,755,033
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Issue date May 26, 1998
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Maschinenfabrik Koppern GmbH & Co. KG
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Harald Gunter
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...