Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
Inventor
active
High elasticity foams
Hydrolysis-resistant flexible polyurethane foams
Organosilane cured butyl rubber/polypropylene TPV
Polyvinyl halide polymer composition and shaped articles produce
Rigid polyurethane foam-forming compositions
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