
Fans - Air curtain units Part 2: Laboratory methods of testing for sound power
出版:International Organization for Standardization

专家解读视频
Considers with the determination of the acoustic performance of air curtain units.
NEN ISO 27327-2 : 2014 + COR 2014 - Identical
BS ISO 27327-2 : 2014 - Identical
BS ISO 27327-2 : 2014 - Identical
NEN ISO 27327-2 : 2014 + COR 2014 - Identical