人工帮你查
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【0601】普通金属及其合金、板、各种型材（不包括焊接及铁路用金属材料）
060257<span class='red'>钨</span> 060139<span class='red'>钨</span>铁 C060008<span class='red'>钨</span>粉
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【0605】非电气用缆索和金属线、网、带
<span class='red'>钨</span>丝
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【0623】矿石，矿砂
<span class='red'>钨</span>矿石
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【0102】用于工业、科学、农业、园艺、森林的工业化工原料
010541<span class='red'>钨</span>酸 C010036<span class='red'>钨</span>酸铵 C010022碳化<span class='red'>钨</span> C010037<span class='red'>钨</span>酸钙 C010038<span class='red'>钨</span>酸锌 <span class='red'>钨</span>酸钠
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【0113】食品、药品及化妆品工业用化学品（不包括食品用防腐盐）
食品工业用小麦<span class='red'>极</span>性脂质
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【0922】电池，充电器
090043阳<span class='red'>极</span> 090543阴<span class='red'>极</span> 090507对阴<span class='red'>极</span> 090012电池<span class='red'>极</span>板 090044阳<span class='red'>极</span>电池 090412阴<span class='red'>极</span>反腐蚀装置
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【0913】电器用晶体及碳素材料，电子、电气通用元件
电<span class='red'>极</span> C090086阳<span class='red'>极</span>糊 090705三<span class='red'>极</span>管 二<span class='red'>极</span>管 C090072碳电<span class='red'>极</span> C090073石墨电<span class='red'>极</span> C090083无源<span class='red'>极</span>板 光电二<span class='red'>极</span>管 发光二<span class='red'>极</span>管 C090085电子管阳<span class='red'>极</span> 阴<span class='red'>极</span>射线管 电子二<span class='red'>极</span>管 激光二<span class='red'>极</span>管 090704发光二<span class='red'>极</span>管（LED） 燃料电池电<span class='red'>极</span> 碳化硅二<span class='red'>极</span>管 LED发光二<span class='red'>极</span>管 C090084水银整流器阴<span class='red'>极</span> 双向触发二<span class='red'>极</span>管 有机发光二<span class='red'>极</span>管 090825有机发光二<span class='red'>极</span>管（OLED） 实验室研究用电<span class='red'>极</span> 超辐射激光二<span class='red'>极</span>管 090826量子点发光二<span class='red'>极</span>管（QLED） 有机发光二<span class='red'>极</span>管显示面板 OLED（有机发光二<span class='red'>极</span>管）显示面板
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【3703】开采服务
<span class='red'>钨</span>矿开采
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【0736】铸造机械
C070267碳化<span class='red'>钨</span>模子
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【0751】焊接机械
070525焊接机用电<span class='red'>极</span>
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