Code 6902 20
REFRACTORY BRICKS, BLOCKS, TILES AND SIMILAR REFRACTORY CERAMIC CONSTRUCTIONAL GOODS, CONTAINING BY WEIGHT MORE THAN 50 % OF ALUMINA (AL2O3), OF SILICA (SIO2) OR OF A MIXTURE OR COMPOUND OF THESE…
REFRACTORY BRICKS, BLOCKS, TILES AND SIMILAR REFRACTORY CERAMIC CONSTRUCTIONAL GOODS, CONTAINING BY WEIGHT MORE THAN 50 % OF ALUMINA (AL2O3), OF SILICA (SIO2) OR OF A MIXTURE OR COMPOUND OF THESE…