… retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of …
Explanatory notes
… retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of … products of heading 69.02 , are in many cases not permanent fixtures, such as retorts, reaction vessels, …