China National Standards

China 142b Industry Standards English PDF List

  •  China "142b" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 4795-2014 1-Difluoro-l-chloroethane (HCFC-142b) for industrial use
    工业用1,1-二氟-1-氯乙烷(HCFC-142b)    		 China Chemical Industry Standards
    142b
    English PDF

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