DIN 38402-71:2020-10
德国水、废水和污泥检验标准方法 一般信息(A 组) 第71部分:基于分析结果比较的两种分析方法的等效性(A 71)
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 71: Equivalence of two analysis methods based on the comparison of analysis results (A 71)