Home / Standards / GB/T 38214-2019 GB/T 38214-2019 Active Test method of inert gas concentration for insulating glass unit 中空玻璃惰性气体含量测试方法 Standard Type GBT ICS 81.040 CCS Q33 Status 现行 Issue Date 2019-10-18 Implementation 2020-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A