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
Crosslinked polyvinyl alcohol-based polymer membrane and a...
Fluorine-containing amphoteric polymer for surface coating...
Fluorine-containing graft copolymer and its manufacturing method
Manufacturing method of hexafluoropropylene oxide with high...
Manufacturing method of hexafluoropropylene oxide with high...
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