Refining System Portatil Ouro - Conster Mining Machinery
analysis of the influence of secondary refining slags and process parameters in inclusions cleanliness of steels. development of a system of control and automation for study of rolling process of non-ferrous metals on the mill machine in reverse duo 8 ton. na gerdau ouro branco para tubos de transporte de Óleo e gÁs development of api.