Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 20975.18-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content 铝及铝合金化学分析方法 第18部分:铬含量的测定 |
China National Standards 18:Determination |
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GB/T 5121.18-2008 |
Methods for chemical analysis of copper and copper alloys - Part 18:Determination of magnesium content 铜及铜合金化学分析方法 第18部分:镁含量的测定 |
China National Standards 18:Determination |
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GB/T 13477.18-2002 |
Test method for building sealants--Part 18:Determination of adhesion-in-peel 建筑密封材料试验方法 第18部分:剥离粘结性的测定 |
China National Standards 18:Determination |
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