GB/T 44398-2024
ActiveRefrigerated hydrocarbon fluids—Dynamic measurement—Requirements and guidelines for the calibration and installation of flowmeters used for liquefied natural gas (LNG) and other refrigerated hydrocarbon fluids
冷冻烃类流体 动态测量 用于液化天然气（LNG）和其他冷冻烃类流体的流量计校准和安装的要求和指南
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GB/T 20603-2006
Refrigerated light hydrocarbon fluids - Sampling of liquefied natural gas - Continuous method
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