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2818 -HS编码 商品归类查询
 2818300000    
氢氧化铝
Aluminium hydroxide
 2818200000    
氧化铝,但人造刚玉除外
Aluminium oxide, other than artificial corundum
 2818109000    
其他人造刚玉
Other artificial corundum, whether or not chemically defined, other than brown fused alumina
 2818101000    
棕刚玉
Brown fused alumina, whether or not chemically defined

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