88455 ⎘
Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone ; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Waste materials; Refuse from metallurgical processes; Slags; Steelmaking slags, converter slags L.D. slags, i.e. Linz-Donawitz slags