GB/T 17248.2-1999
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 17248.2-1999
Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at otherspecified positions--Engineering method in an essentially free field over a reflecting plane 声学 机器和设备发射的噪声 工作位置和其他指定位置发射声压级的测量 一个反射面上方近似自由场的工程法
Issued Date:1999-03-08
Implemented Date:1999-09-01
Issued by:
The Standardization Administration of the People's Republic of China