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Ring-roller crusher
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Patent number 6,227,470
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Issue date May 8, 2001
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FCB
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Philippe Chevalier
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Crusher with an annular roller track
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Patent number 5,393,000
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Issue date Feb 28, 1995
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Fratelli BUZZI SpA
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Philippe Lagache
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Milling process and apparatus
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Patent number 5,054,701
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Issue date Oct 8, 1991
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Fives-Cail Babcock
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Rene Durinck
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...