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Rotary drum
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Patent number 5,415,541
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Issue date May 16, 1995
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Krupp Polysius AG
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Gerhard Kastingschafer
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F27 - FURNACES KILNS OVENS RETORTS
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Cooler grate
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Patent number 5,322,434
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Issue date Jun 21, 1994
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Krupp Polysius AG
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Gunter Milewski
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F27 - FURNACES KILNS OVENS RETORTS
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Roll mill
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Patent number 5,312,056
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Issue date May 17, 1994
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Krupp Polysius AG
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Gerhard Kastingschafer
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Material crushing roller construction
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Patent number 5,253,816
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Issue date Oct 19, 1993
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Krupp Polysius AG
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Gerhard Kastingschafer
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Roller mill
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Patent number 5,199,657
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Issue date Apr 6, 1993
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Krupp Polysius AG
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Gerhard Kastingschafer
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Grinding roller
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Patent number 5,000,392
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Issue date Mar 19, 1991
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Krupp Polysius AG
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Gerhard Kastingschafer
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Material bed roller mill
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Patent number 4,973,001
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Issue date Nov 27, 1990
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Krupp Polysius AG
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Gerhard Kastingschafer
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...