74482714
Jan 26, 1994
manufacture of hydrometallurgical treatment systems to the order and specification of others; hydrometallurgical treatment of metal-bearing residues, sludges and effluents
Treatment of Materialsdesign 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
Computer and Scientific