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Plasticating extruder screw conveyors
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Patent number 4,387,997
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Issue date Jun 14, 1983
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Scientific Process & Research, Inc.
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Reuben Klein
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Plasticating apparatus for molding devices
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Patent number 4,290,702
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Issue date Sep 22, 1981
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Scientific Process & Research, Inc.
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Reuben Klein
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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