HS编码
690320
产品标签
al2o3,tubes and pipe,reaction vessel,mixture,bars and rods,muffle,retorts,sio2,silica,nozzles,alumina,crucible,compound,plugs,ore,gh
产品描述
,BARS AND RODS,CONTAINING BY WEIGHT MORE THAN 50 % OF ALUMINA(AL2O3) OR OF A MIXTURE OR COMPOUND OF ALUMINA AND OF SILICA(SIO2),CRUCIBLES,MUFFLES,NOZZLES,OTHER,PLUGS,REACTION VESSELS,RETORTS,TUBES AND PIPES