China National Standards

China colourity GB Standards List


  •  China "colourity" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 13255.1-2009 Test methods of caprolactam for industrial use - Part 1: Determination of colourity of 50% aqueous caprolactam solution - Spectrometric method
    工业用己内酰胺试验方法 第1部分:50%水溶液色度的测定 分光光度法
    China National Standards
    colourity

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