GB/T 1859.3-2015
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 1859.3-2015
Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 3: Precision methods for hemi-anechoic rooms 往复式内燃机 声压法声功率级的测定 第3部分:半消声室精密法
Issued Date:2015-12-10
Implemented Date:2016-07-01
Issued by:
The Standardization Administration of the People's Republic of China