China National Standards

China 143a Industry Standards English PDF List

  •  China "143a" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 4794-2014 1-Trifluoroethane (HFC-143a) for industrial use
    工业用1,1,1-三氟乙烷(HFC-143a)    		 China Chemical Industry Standards
    143a
    English PDF

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