GB/T 30491.2-2024 Chinese PDF (GB/T30491.2-2024)GB T 30491. 2 2024_Chinese: Natural gas Calculation of thermodynamic properties Part 2: Single phase properties(gas, liquid, and dense fluid)for extended ranges of application (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30491. 2 2024
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