China National Standards

China 4A Zeolite Industry Standards English PDF List

  •  China " 4A Zeolite" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 1768-2003 4A Zeolite for detergents
    洗涤剂用4A沸石    		 China Light Industry Standards
    4A Zeolite
    English PDF
    QB/T 1768-1993 (4A Zeolite detergent)
    		China Light Industry Standards
    4A Zeolite
    English PDF

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