690390909011
HS 690390909011 - Other refractory ceramics made from dolomite (such as kilns, pot furnaces, capsules, stoppers, supports, casting pots, sleeves, tubes, pipes, and rods)
Other refractory ceramics made from dolomite (such as kilns, pot furnaces, capsules, stoppers, supports, casting pots, sleeves, tubes, pipes, and rods)
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