U.S. federal trademark · Serial No. 74482714
construction of hydrometallurgical treatment plants
manufacture of hydrometallurgical treatment systems to the order and specification of others; hydrometallurgical treatment of metal-bearing residues, sludges and effluents
design for others in the field of hydrometallurgical treatment plants and systems; consultation in the field of hydrometallurgical treatment of metal-bearing residues, sludges and effluents
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