中国 · 品目· 6 个子目· 0 个税号
2844放射性化学元素、同位素及其化合物、混合物及残渣
Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemi-cal elements and isotopes) and their compounds; mixtures and residues containing these products
Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemi-cal elements and isotopes) and their compounds; mixtures and residues containing these products