China National Standards

China Technical specifications extraction GB Standards List

  •  China "Technical specifications extraction" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 39201-2020 Technical specifications for extraction of aluminium oxide from high-alumina fly ash
    高铝粉煤灰提取氧化铝技术规范    		 China National Standards
    Technical specifications extraction
    English PDF
    GB/T 39203-2020 Technical specifications for extraction of valuable metals from copper smelting dust
    铜冶炼烟灰提取有价金属技术规范    		 China National Standards
    Technical specifications extraction
    English PDF

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