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 2804619091 
其他含硅量≥99.99%的硅废碎料
Other silicon waste or scrap, containing by weight weight 99.99% of silicon or more, excluding solar-grade polysilicon |
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2804611700
电子工业用直径≥30cm单晶硅棒
Monocrystals doped for use in electronics, in the form of cylinders or rods, 30cm or more in diameter(containing by weight not less than 99.99% of silicon) |
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2804612000
电子工业用直径＜7.5cm单晶硅棒
Monocrystals doped for use in electronics, in the form of cylinders or rods, less than 7.5cm in diameter(containing by weight not less than 99.99% of silicon) |
2804611900
电子工业用7.5cm≤直径＜30cm单晶硅棒
Monocrystals doped for use in electronics, in the form of cylinders or rods, 7.5cm or more, less than 30cm in diameter(containing by weight not less than 99.99% of silicon) |
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2804500010
颗粒＜500μm的硼及其合金
Boron and its alloys, granularity＜500μm（containing more than 97% by weight of boron whether in the form of spheroid, ellipsoid, flakes, atomized or pulverized metallic fuel） |
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2804619099
其他含硅量≥99.99%的硅
Other silicon, containing by weight weight 99.99% of silicon or more,excluding solar-grade polysilicon |
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