GB/T 33928-2017
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 33928-2017
Reciprocating internal combustion engines—Measurement method for exhaust silencers—Sound power level of exhaust noise and insertion loss using sound pressure and power loss ratio 往复式内燃机 排气消声器测量方法 声压法排气噪声声功率级和插入损失及功率损失比
Issued Date:2017-07-12
Implemented Date:2018-02-01
Issued by:
The Standardization Administration of the People's Republic of China