Home / Standards / GB/T 35453-2017 GB/T 35453-2017 Active Rigid polyurethane foam board for frozen soil subgrade (DLPU) 冻土路基用硬质聚氨酯泡沫板(DLPU) Standard Type GBT ICS 83.100 CCS G32 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A