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Apparatus for testing plastic compositions
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Patent number 4,541,270
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Issue date Sep 17, 1985
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American Maplan Corporation
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Wilhelm Hanslik
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Double-worm extrusion press
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Patent number 4,408,888
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Issue date Oct 11, 1983
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American Maplan Corporation
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Wilhelm Hanslik
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Preheated extruder
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Patent number 4,385,883
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Issue date May 31, 1983
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American Maplan Corporation
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Wilhelm Hanslik
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL