China 'GB/T 19889.3-2005
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 19889.3-2005
Acoustics-Measurement of sound insulation in buildings and of building elements-Part 3:Laboratory measurements of airborne sound insulation of building elements 声学 建筑和建筑构件隔声测量 第3部分:建筑构件空气声隔声的实验室测量
Issued Date:2005-09-09
Implemented Date:2006-04-01
Issued by:
The Standardization Administration of the People's Republic of China