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June 08, 2018
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    耐火纤维导流管
    Refractory fibre guide pipe 201220467228.8
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    一种精炼铝液流槽
    Aluminum liquid groove 201320701256.6
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    一种带有净化功能的铝液流槽
    Aluminum liquid groove 201320701481.X
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    一种高强微孔隔热浇注料及制备方法
    One type refractory castable formula 201510163820.7
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    一种钢水精炼吹氩枪
    Argon blowing gun 201320709622.2
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    一种均质挡渣球
    Slag ball 201210304453.4