China Natural gas—Calculat GB Standards Search Result |
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GB/T 11062-2020 Natural gas—Calculation of calorific values, density, relative density and Wobbe indices from composition 天然气 发热量、密度、相对密度和沃泊指数的计算方法 - 中英文版 |
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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 - 中英文版 |
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