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Electro-magnetic rapper wear guide
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Patent number 6,117,215
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Issue date Sep 12, 2000
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Westvaco Corporation
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Richard Michael Erickson
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Precipitator rapper
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Patent number 4,409,007
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Issue date Oct 11, 1983
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Eriez Manufacturing Company
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Rodney J. Torrey
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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2985802
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Patent number 2,985,802
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Issue date May 23, 1961
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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2777535
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Patent number 2,777,535
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Issue date Jan 15, 1957
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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2508133
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Patent number 2,508,133
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Issue date May 16, 1950
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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1790147
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Patent number 1,790,147
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Issue date Jan 27, 1931
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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1760461
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Patent number 1,760,461
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Issue date May 27, 1930
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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1339471
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Patent number 1,339,471
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Issue date May 11, 1920
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...