Cement, concrete or artificial stone; prefabricated structural components for building or civil engineering, whether or not reinforced

6810910000 Prefabricated structural components for building or civil engineering

68109100 Prefabricated structural components for building or civil engineering

68109102 Outer walls (panels), whether or not insulated

68109103 Inner walls, homogeneous

68109104 Roof or ceiling components

68109105 Beams and pillars (columns)

68109106 Base pillars

68109108 Other