Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
Inventor
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Expanded particles of polyolefin resin and process for preparing
Flame-retardant foamed particles of polyolefin resin
Foamed particles of polypropylene homopolymer and molded article
Process for the production of foamed poymer particles
Production method of foamed particles of uncrosslinked ethylene-
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