China 'GB/T 31004.2-2014
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 31004.2-2014
Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 2: Field measurements 声学 建筑和建筑构件隔声声强法测量 第2部分:现场测量
Issued Date:2014-09-03
Implemented Date:2015-02-01
Issued by:
The Standardization Administration of the People's Republic of China