… Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, …
Explanatory notes
… - Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, … not permanent fixtures, such as retorts, reaction vessels, crucibles, cupels and similar articles for industrial or … pottery during firing; sheaths and rods; stands for crucibles; ingot moulds; slide gates, rollers, blanks, …