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Matte-finished polymethacrylate films
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Patent number 6,476,148
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Issue date Nov 5, 2002
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Roehm GmbH & Co KG
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Heinz Gross
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Method of extracting a melt strand
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Patent number 6,475,414
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Issue date Nov 5, 2002
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Heinz Gross
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extrusion die for thermoplastic webs
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Patent number 5,273,420
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Issue date Dec 28, 1993
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Roehm GmbH Chemische Fabrik
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Heinz Gross
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extruded solid plastic sheet or film
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Patent number 5,242,742
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Issue date Sep 7, 1993
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Roehm GmbH Chemische Fabrik
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Karl Funk
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Heat exchanger bodies made of plastic
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Patent number 4,733,718
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Issue date Mar 29, 1988
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Roehm GmbH Chemische Fabrik
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Hartmut Schikowsky
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Plate heat exchanger
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Patent number 4,724,902
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Issue date Feb 16, 1988
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Rohm GmbH Chemische Fabrik
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Heinz Gross
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F28 - HEAT EXCHANGE IN GENERAL