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Foam extrusion apparatus and method
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Patent number 4,271,107
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Issue date Jun 2, 1981
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Condec Corporation
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Arthur L. Phipps
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Foam extrusion apparatus and method
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Patent number 4,211,739
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Issue date Jul 8, 1980
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Condec Corporation
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Arthur L. Phipps
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Foam extrusion die assembly
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Patent number 4,201,534
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Issue date May 6, 1980
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Condec Corporation
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Arthur L. Phipps
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extrusion apparatus
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Patent number 4,199,310
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Issue date Apr 22, 1980
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Condec Corporation
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Arthur L. Phipps
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL