… Other refractory ceramic goods (for example, retorts, … cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar …
Explanatory notes
… 69.03 - Other refractory ceramic goods (for example, retorts, … alumina and of silica (SiO 2 ) 6903.90 - Other This heading covers all refractory goods not specified or included in the …