China National Standards

China microlithotype GB Standards List

  •  China "microlithotype" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 15589-2013 Classification of microlithotype
    显微煤岩类型分类    		 China National Standards
    microlithotype
    English PDF
    GB/T 15590-2008 Method of determining microlithotype composition
    显微煤岩类型测定方法    		 China National Standards
    microlithotype
    English PDF

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