China National Standards

China 227 Industry Standards English PDF List

  •  China "227" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 3891-2006 Direct red D-7B(C.I.Direct red 227)
    直接红 D-7B（C.I.直接红227）    		 China Chemical Industry Standards
    227
    English PDF

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