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
Cement dispersant
Cement with sulfoalkyacrylate polymers
Crosslinked composite semipermeable membrane
Dispersant for aqueous slurry of carbonaceous solid and aqueous
High molecular polyetherpolyester and its production process and
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