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
Amorphous tetrafluoroethylene-hexafluoropropylene copolymers
Amorphous tetrafluoroethylene-hexafluoropropylene copolymers
Electroactive fluorene polymers having perfluoralkyl groups,...
Electroactive fluorene polymers having perfluoroalkyl...
Electroactive fluorene polymers having perfluoroalkyl...
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