Home / Standards / GB/T 34711-2017 GB/T 34711-2017 Active Testing method for classification of chemically unstable gases 化学不稳定性气体分类试验方法 Standard Type GBT ICS 13.300 CCS A80 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A