
Acoustics - Measurement of airborne noise generated by IT and telecommunications equipment
出版:Polish Committee for Standardization

专家解读视频
EN ISO 7779 : 2010 - Identical
ISO 7779:2018 - Identical
EN ISO 7779 : 2018 - Identical
ISO 7779:2018 - Identical
EN ISO 7779 : 2010 - Identical
EN ISO 7779 : 2018 - Identical