
Acoustics; Measurement Of High-frequency Noise Emitted By Computer And Business Equipment
出版:Swiss Standards

专家解读视频
Determination of airborne noise emitted by computer and business equipment by determination of sound power level.
BS 7135-2:1989 - Identical
DIN EN 29295 (1991-11) - Identical
BS 7135-2(1989) : 1989 - Identical
DIN EN 29295 : 1991 - Identical
DIN EN 29295 E : 1991 - Identical