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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 30491.1-2014 |
Natural gas—Calculation of thermodynamic properties—Part 1: Gas phase properties for transmission and distribution applications 天然气 热力学性质计算 第1部分：输配气中的气相性质 |
China National Standards Natural gas—Calculation thermodynamic |
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