Code 6903
OTHER REFRACTORY CERAMIC GOODS (FOR EXAMPLE, RETORTS, CRUCIBLES, MUFFLES, NOZZLES, PLUGS, SUPPORTS, CUPELS, TUBES, PIPES, SHEATHS AND RODS), OTHER THAN THOSE OF SILICEOUS FOSSIL MEALS OR OF SIMILAR…
OTHER REFRACTORY CERAMIC GOODS (FOR EXAMPLE, RETORTS, CRUCIBLES, MUFFLES, NOZZLES, PLUGS, SUPPORTS, CUPELS, TUBES, PIPES, SHEATHS AND RODS), OTHER THAN THOSE OF SILICEOUS FOSSIL MEALS OR OF SIMILAR…