Home / Standards / GB/T 39533-2020 GB/T 39533-2020 Active Preparation and testing of foamed cement slurries at atmospheric pressure 常压下泡沫水泥浆的制备及试验方法 Standard Type GBT ICS 75.020 CCS E13 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 国家标准委 Drafting Unit N/A