Home / Standards / GB/T 19889.7-2022 GB/T 19889.7-2022 Active Acoustics—Measurement of sound insulation in buildings and of building elements—Part 7 : Field measurement of impact sound insulation 声学 建筑和建筑构件隔声测量 第7部分：撞击声隔声的现场测量 Standard Type GBT ICS 91.120.20;91.060.30 CCS A59 Status 现行 Issue Date 2022-07-11 Implementation 2023-02-01 Responsible Dept 中国科学院 Drafting Unit N/A