China National Standards

China Electronic specialty gas—1,3 GB Standards List

  •  China "Electronic specialty gas—1,3" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40417-2021 Electronic specialty gas—1,3-Hexafluorobutadiene
    电子特气 六氟丁二烯    		 China National Standards
    Electronic specialty gas—1,3
    English PDF

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