China National Standards

China Tourmailine Industry Standards English PDF List

  •  China "Tourmailine" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JC/T 2012-2010 Tourmaline. Tourmailine powder
    电气石 电气石粉    		 China Building Materials Standards
    Tourmailine
    English PDF

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