China National Standards

China Corrosion metals alloys—Classification GB Standards List

  •  China "Corrosion metals alloys—Classification" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 39637-2020 Corrosion of metals and alloys—Classification of soil corrosivity
    金属和合金的腐蚀 土壤环境腐蚀性分类    		 China National Standards
    Corrosion metals alloys—Classification
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