China National Standards

China Chlorinated methanes industrial GB Standards List

  •  China "Chlorinated methanes industrial" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 21541-2008 Chlorinated methanes for industrial use - Determination of purity - Gas chromatography
    工业用氯代甲烷类产品纯度的测定 气相色谱法    		 China National Standards
    Chlorinated methanes industrial
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