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产品名称:七水硫酸锌,CAS 编号:7446-20-0,化学式:ZnSO₄·7H₂O,海关编码:283329300

产品名称:六偏磷酸钠,CAS 编号:25085-02-3,化学式:(C3H5NO)n,海关编码:390690100

产品名称:异丙基黄原酸钠,CAS编号:140-93-2,化学式:C4H7NaOS2,海关编码:2930902000,外观:浅黄色粉末

产品名称:T-Zn选锌捕收剂,T-ZnHS 编码(HS Code):2930902000

产品名称:丁钠黑药,CAS 编号:33619-92-0,化学式:C8H18NaO2PS2,海关编码:2920190090
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