E - Fixed Constructions – 21 – B
Inventor
E - Fixed Constructions
21
B
Inventor
Country: United States Of America
Hydrophilic-hydrophobic derivatives of polygalactomannans...
Method for reducing the viscosity of aqueous fluids
Reduction of viscosity of aqueous fluids
Tertiaryaminoalkyl-hydroxyalkyl ethers of polygalactomannans
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