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Roll crusher
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Patent number 5,722,605
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Issue date Mar 3, 1998
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Krupp Fordertechnik GmbH
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Wolfgang Finken
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Rebound crusher
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Patent number 4,729,517
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Issue date Mar 8, 1988
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O & K Orenstein & Koppel Aktiengesellschaft
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Werner Krokor
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...