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7603 -HS编码 商品归类查询
 7603100010    
颗粒<500μm的微细球形铝粉

Microspherical aluminium powder, granularity below <500μm, containing≥ 97% or more by weight of aluminium
 7603200000    
片状铝粉末

Powders of lamellar structure; flakes
 2934999075    
亚甲基二氧吡咯戊酮

Methylenedioxypyrovalerone(CAS:687603-66-3)
 7603100090    
其他非片状铝粉

Other powders of non-lamellar structure, of aluminium

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