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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 9966.13-2021 |
Test methods for natural stone—Part 13:Determination of water absorption coefficient by capillarity 天然石材试验方法 第13部分：毛细吸水系数的测定 |
China National Standards 13:Determination |
 English PDF |
| GB/T 5121.13-2008 |
Methods for chemical analysis of copper and copper alloys - Part 13:Determination of aluminium content 铜及铜合金化学分析方法 第13部分：铝含量的测定 |
China National Standards 13:Determination |
English PDF |
| GB/T 13477.13-2002 |
Test method for building sealants--Part 13:Determination of adhesion/cohesion properties at variable temperatures 建筑密封材料试验方法 第13部分:冷拉-热压后粘结性的测定 |
China National Standards 13:Determination |
English PDF |
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