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TSUTSUI YASUTAKA
JP4 patents
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Foamable composite resin particle for frozen storage
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Expandable composite resin particles for long-term storage, pre-expanded particles formed therefrom and expanded molded articles
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Modified polystyrene resin particles and manufacturing method therefor, expandable particles and manufacturing method therefor, pre-expanded particles, and expanded molded article
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Expanded composite polystyrene-based resin particles and expanded molded article thereof
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