690310000019
HS 690310000019 - Other refractory ceramics (such as kilns, pot furnaces, capsules, stoppers, supports, casting pots, etc.); free carbon content >50% (EXCLUDING those made of graphite)
Other refractory ceramics (such as kilns, pot furnaces, capsules, stoppers, supports, casting pots, etc.); free carbon content >50% (EXCLUDING those made of graphite)
gtip