Home / Standards / GB/T 45305.5-2026 GB/T 45305.5-2026 Upcoming Acoustics—Laboratory measurement of sound insulation of building elements—Part 5: Requirements for test facilities and equipment 声学 建筑构件隔声的实验室测量 第5部分:测试设施和设备的要求 Standard Type GBT ICS 91.120.20 CCS A59 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 中国科学院 Drafting Unit N/A