79060400
Sep 19, 2008
Aug 11, 2009
Chemical products intended for formulations containing hydraulic binders but not including fertilizers, namely, chemical additives for use as binding agents in cement, mortar, plaster, gypsum, cementitious materials
ChemicalsServices of engineers, professional consulting in chemistry, technical project studies, namely, conducting laboratory studies, namely, laboratory research in the field of chemistry and conducting of feasibility studies, and chemical analysis, research and development of new products
Computer and Scientific