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Product
690390: Refractory ceramic goods other than bricks/blocks/tiles (e.g., retorts, crucibles, muff;es, nozzles, plugs, support,cupels, tubes, pipes, sheaths & rods) other than of siliceous fossil meals/similar siliceous earths, n.e.s. in Ch.69
Treaty
EU GSP
Rule
Manufacture from materials of any heading, except that of the product