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Polymer Processing Research Institute, Ltd.
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Web widening apparatus
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Issue date Aug 11, 1998
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Nippon Petrochemicals Co., Ltd.
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Kintaro Aihara
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Issue date Mar 24, 1998
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Nippon Petrochemicals Company, Limited
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Kazuhiko Kurihara
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