Home / Standards / GB/T 34005-2017 GB/T 34005-2017 Active Determination of water vapour transmission properties of preformed pipe insulation 管状绝热制品水蒸气透过性能试验方法 Standard Type GBT ICS 91.120.10 CCS Q25 Status 现行 Issue Date 2017-07-12 Implementation 2018-06-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A