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Material composed of carbon compounds
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Patent number 5,726,238
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Issue date Mar 10, 1998
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Citadel Investments Limited
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Klaus-Dietrich Nickel
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Rotary disintegrating device
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Patent number 5,009,371
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Issue date Apr 23, 1991
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Citadel Investments Limited
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Klaus-Dietrich Nickel
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Desulfurizing of fossile fuels
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Patent number 4,635,572
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Issue date Jan 13, 1987
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Kasa-Technoplan GmbH
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Klaus-Dietrich Nickel
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...