China National Standards

China 4:Metallographic GB Standards List

  •  China "4:Metallographic" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 16840.4-1997 Technical determination methods for electrical fire cause--Part 4:Metallographic method
    电气火灾原因技术鉴定方法 第4部分:金相法    		 China National Standards
    4:Metallographic
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