Other refractory ceramic goods, containing, by weight, more than 50 % of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)
Izdelki, ognjevarni, keramični, drugi, nad 50% aluminijevega oksida (Al2O3) ali mešanice ali spojine aluminijevega oksida ali silicijevega dioksida (SiO2)