China 'GB/T 21231.2-2018
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21231.2-2018
Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 2: Structure-borne vibration measurements 声学 小型通风装置辐射的空气噪声和引起的结构振动的测量 第2部分:结构振动测量
Issued Date:2018
Implemented Date:2018
Issued by:
The Standardization Administration of the People's Republic of China