Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
Inventor
active
Expandable styrene polymers of high heat resistance
Expandable styrene polymers of high heat resistance
Glass fiber-reinforced styrene copolymers
Impact modifier and molding material containing it
Mixtures of solids, consisting of a reactive sizing agent...
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