690390909013
HS 690390909013 - Other refractory ceramics made from corundum (silicon carbide) (such as kilns, pot furnaces, capsules, stoppers, supports, casting pots, sleeves, tubes, pipes, etc.)
Other refractory ceramics made from corundum (silicon carbide) (such as kilns, pot furnaces, capsules, stoppers, supports, casting pots, sleeves, tubes, pipes, etc.)
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