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
Cementitious gypsum-containing binders and compositions and mate
Cementitious gypsum-containing compositions and materials made t
Cementitious gypsum-containing compositions and materials made t
Gypsum wallboard, and method of making same
Method for continuous production for wallboard tape joint...
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