prEN ISO 12629:2021
建筑設備和工業裝置用隔熱產品 預制管道隔熱層水蒸汽傳輸性能的測定(ISO/DIS 12629:2021)
Thermal insulating products for building equipment and industrial installations - Determination of water vapour transmission properties of preformed pipe insulation (ISO/DIS 12629:2021)