88719689
Dec 9, 2019
Oct 27, 2020
Active Trademark
Chemicals used in oil drilling; chemical additives for use in oil and gas wells; chemicals for use in the field of oil exploration and production; chemicals for use in oil and gas industry for oil and gas drilling and production, hydraulic fracturing, and produced water disposal in saltwater disposal wells; chemical agents for chelating; phosphoric acids for industrial purposes; phosphoric acid
Chemicals