Home / Standards / GB/T 39936-2021 GB/T 39936-2021 Active Cellular plastics for use in cryogenic thermal insulation 深冷保冷用泡沫塑料 Standard Type GBT ICS 83.100 CCS G32 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A