Home / Standards / GB/T 19889.2-2022 GB/T 19889.2-2022 Active Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2 : Determination and application of measurement uncertainties 声学 建筑和建筑构件隔声测量 第2部分：测量不确定度评定和应用 Standard Type GBT ICS 17.140.01;91.120.20 CCS A59 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 中国科学院 Drafting Unit N/A