China National Standards

China tetrachlorophthalic GB Standards List

  •  China "tetrachlorophthalic" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 23975-2009 Determination of the quantity of tetrachlorophthalic anhydride in dye and pigment products
    染料及颜料产品中四氯苯酐的测定    		 China National Standards
    tetrachlorophthalic
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