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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39186-2020 |
Calculation methods of water saved by projects for iron and steel industry 钢铁行业项目节水量计算方法 |
China National Standards Calculation methods water |
 English PDF |
| GB/T 31457-2015 |
The testing and calculation methods for water balance in oil-gas field production system 油气田生产系统水平衡测试和计算方法 |
China National Standards Calculation methods water |
English PDF |
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