China National Standards

China Difluoromethane HFC Industry Standards English PDF List

  •  China "Difluoromethane HFC" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 4634-2014 Difluoromethane (HFC-32) for industrial use
    工业用二氟甲烷(HFC-32)    		 China Chemical Industry Standards
    Difluoromethane HFC
    English PDF

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