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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 9966.14-2021 |
Test methods for natural stone-Part 14:Determination of rupture energy 天然石材试验方法 第14部分：耐断裂能量的测定 |
China National Standards Energy determination natural |
 English PDF |
| GB/T 22723-2008 |
Energy determination for natural gas 天然气能量的测定 |
China National Standards Energy determination natural |
English PDF |
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