Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
Inventor
active
Acidizing concentrates for oil well acidizing systems
Fluid loss control additives for oil well cementing compositions
Fluid loss control additives for oil well cementing compositions
Fluid loss control additives for oil well cementing compositions
Fluid loss control additives for oil well cementing compositions
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