China National Standards

China Tobias Industry Standards English PDF List

  •  China "Tobias" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 2548-2006 2-Amino-1-naphthalene sulfonic acid (Tobias acid)
    2-氨基-1-萘磺酸（吐氏酸）    		 China Chemical Industry Standards
    Tobias
    English PDF
    HG 2548-1993 Tobias acid
    		China Chemical Industry Standards
    Tobias
    English PDF

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