DIN EN ISO 20765-2 (2016-11)现行
Natural gas - Calculation of thermodynamic properties Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application (ISO 20765-2:2015); German and English version prEN ISO 20765-2:2016
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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