… bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or …
Explanatory notes
… bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths (+). 6902.10 - Containing by weight, singly or together, more than 50 % of … (i.e., Mg, Ca or Cr) and from these amounts the equivalent concentrations in terms of their oxides can be calculated. …