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Centrifugal separator
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Patent number 4,776,833
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Issue date Oct 11, 1988
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Benjamin V. Knelson
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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3376978
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Patent number 3,376,978
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Issue date Apr 9, 1968
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B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
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2752043
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Patent number 2,752,043
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Issue date Jun 26, 1956
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B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
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2718309
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Patent number 2,718,309
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Issue date Sep 20, 1955
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B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...