首页>
外国专利>
in the technical areas of new technology industrial perfezionante: metallurgy, steel, process for obtaining alloy sintering.absolute majority system and only the - fe - c, whose capacity must be exclusive simplification
in the technical areas of new technology industrial perfezionante: metallurgy, steel, process for obtaining alloy sintering.absolute majority system and only the - fe - c, whose capacity must be exclusive simplification