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Bulk material mixer
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Patent number 4,859,067
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Issue date Aug 22, 1989
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Waeschle Maschinenfabrik GmbH
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Hans Hoppe
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Circulation mixer for bulk material
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Patent number 4,756,624
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Issue date Jul 12, 1988
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Waeschle Maschinenfabrik GmbH
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Hans Hoppe
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Pneumatic transport conveyor
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Patent number 4,715,749
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Issue date Dec 29, 1987
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Waeschle Maschinenfabrik GmbH
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Hans Hoppe
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Air classifier
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Patent number 4,528,092
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Issue date Jul 9, 1985
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Waeschle Maschinenfabrik GmbH
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Wolfgang Krambrock
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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