Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
Inventor
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Aromatic vinyl resin material and molded products thereof
Aromatic vinyl resin material and molded products thereof
Crystalline polymer of higher α-olefin and process for...
Ethylene copolymer and aromatic vinyl graft copolymer and...
Higher α-olefin copolymers and process for preparation...
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