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Device for drying gypsum
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Patent number 4,523,906
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Issue date Jun 18, 1985
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Krupp-Koppers GmbH
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Vladan Petrovic
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F26 - DRYING
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Method for drying coal and cooling coke
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Patent number 4,470,878
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Issue date Sep 11, 1984
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Krupp-Koppers GmbH
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Vladan Petrovic
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Cascaded coal drier for a coking plant
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Patent number 4,430,161
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Issue date Feb 7, 1984
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Krupp-Koppers GmbH
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Vladan Petrovic
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...