Home / Standards / GB/T 40414-2021 GB/T 40414-2021 Active Determination of thickness for floating-floor thermal insulating products 浮筑地面用绝热制品厚度的测量 Standard Type GBT ICS 91.100.60 CCS Q25 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A