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China Tungstic GB Standards English PDF List


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  •  China "Tungstic" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 3457-2013 Tungstic oxide
    氧化钨
    China National Standards
    Tungstic

    English PDF
    GB/T 15072.17-2008 Test method of precious metal alloys - Determination of tungsten contents for platinum alloys - Tungstic acid gravimetry
    贵金属合金化学分析方法 铂合金中钨量的测定 三氧化钨重量法
    China National Standards
    Tungstic

    English PDF

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