China National Standards

China 152a GB Standards List

  •  China "152a" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 19602-2004 1，1-Difluoroethane for industrial use(HFC-152a)
    工业用1，1-二氟乙烷(HFC-152a)    		 China National Standards
    152a
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