87584989
Aug 26, 2017
Chemical additives for oil well drilling fluids; Chemicals for use in the field of oil exploration and production; Chemical preparations for cleaning purposes in the food and food processing industries; Chemicals for the treatment of water and wastewater; Chemicals for the treatment of cooling water systems; Chemicals for the treatment of hot water systems; Chemicals for the treatment of irrigation water; Chemicals for use in water treatment; Chemicals for use in industry; Chemicals for use in industry and science; Chemicals used in industry
Chemicals