SNV NF EN 27779:1992现行
Acoustics; Measurement Of Airborne Noise Emitted By Computer And Business Equipment
出版：Swiss Standards
专家解读视频
Specifies method for the determination of airborne noise emitted by computer and business equipment and determination of sound power level using the enveloping surface method ("free-field" method) for prescribed measuring conditions.
"Indice de classement: SNV NF S31-072" (12/2001)
DIN EN 27779 : 1991 - Identical
DIN EN 27779 E : 1991 - Identical
DIN EN 27779 : 1991 - Identical
DIN EN 27779 (1991-11) - Identical
ISO 7779:1999 - Identical
