China National Standards

China 21:Determination Industry Standards English PDF List


  •  China "21:Determination" Industry Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    YS/T 575.21-2007 Methods for chemical analysis of bauxite Part 21:Determination of organic carbon content titrimetric method
    铝土矿石化学分析方法 第21部分 有机碳含量的测定 滴定法
    China YS-Non-ferrous Metal Standards
    21:Determination

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