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Apparatus for grinding mineral products
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Patent number 5,133,506
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Issue date Jul 28, 1992
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Sala International AB
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Jan O. Bogen
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Device in a peristaltic pump
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Patent number 4,645,434
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Issue date Feb 24, 1987
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Sala International AB
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Jan O. Bogen
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Dynamic dense media separator
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Patent number 4,216,095
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Issue date Aug 5, 1980
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Sala International AB
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Henry J. Ruff
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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