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Cooling grid for bulk material
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Patent number 6,920,702
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Issue date Jul 26, 2005
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Claudius Peters Technologies GmbH
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Hartmut Meyer
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F27 - FURNACES KILNS OVENS RETORTS
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Reciprocating grate cooler
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Patent number 5,572,937
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Issue date Nov 12, 1996
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Krupp Polysius AG
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Gert Tegtmeier
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F27 - FURNACES KILNS OVENS RETORTS
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Apparatus for cooling hot material
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Patent number 4,732,561
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Issue date Mar 22, 1988
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Krupp Polysius AG
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Karl Eiring
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3197887
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Patent number 3,197,887
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Issue date Aug 3, 1965
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F27 - FURNACES KILNS OVENS RETORTS
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3170775
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Patent number 3,170,775
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Issue date Feb 23, 1965
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F27 - FURNACES KILNS OVENS RETORTS
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3010218
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Issue date Nov 28, 1961
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F27 - FURNACES KILNS OVENS RETORTS
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2431799
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Patent number 2,431,799
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Issue date Dec 2, 1947
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F28 - HEAT EXCHANGE IN GENERAL
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2371513
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Patent number 2,371,513
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Issue date Mar 13, 1945
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F28 - HEAT EXCHANGE IN GENERAL
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2312034
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Patent number 2,312,034
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Issue date Feb 23, 1943
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F27 - FURNACES KILNS OVENS RETORTS