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Textured surface polypropylene film
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Patent number 4,360,552
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Issue date Nov 23, 1982
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General Electric Company
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John W. Eustance
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Textured surface polypropylene film
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Patent number 4,287,249
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Issue date Sep 1, 1981
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General Electric Company
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John W. Eustance
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Textured surface polypropylene film
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Patent number 4,255,381
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Issue date Mar 10, 1981
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General Electric Company
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John W. Eustance
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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