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 8104902010 
镁金属基复合材料
Masnesium composite materials(including all sorts of structural parts and articles and Pre-formed parts, tensile strength reinforced materials＞7.62×10^4m and specific modulus bigger than 3.18×10^6m) |
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8104300010
颗粒＜500μm的镁及其合金
Magnesium and its alloys, granularity ＜500μm(containing 97％or more by weight of magnesium, whether spheroid, ellipsoid, atomized, flake formed, crush metal fuel) |
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