Más, pl. tűzálló tégla, tömb, lap max. 50 - 50% Mg-, Ca-, Cr-, alumínium-oxid vagy szilícium-oxid tartalommal
VTSZ angol megnevezése - EN
Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods (excl. containing, by weight, singly or together, > 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3, containing, by weight, > 50% alumina, silica or a mixture or compound of these products and those of siliceous fossil meals or similar siliceous earths)
