I.S. EN ISO 3741:2000被替代
Acoustics - Determination Of Sound Power Levels Of Noise Sources Using Sound Pressure - Precision Methods For Reverberation Rooms
出版：National Standards Authority of Ireland
专家解读视频
Provides a direct method and a comparison method for determining the sound power level that would be produced by a source operating in an environment at standard meteorological conditions corresponding to a characteristic impedance.
NEN EN ISO 3741:1999 - Identical
ISO 3741:1999 - Identical
SS EN ISO 3741:1999 - Identical
UNE EN ISO 3741:2000 - Identical
NS EN ISO 3741 Ed. 1 (1999) - Identical
UNI EN ISO 3741:2001 - Identical
NBN EN ISO 3741 Ed. 3 (1999) - Identical
NF EN ISO 3741:2000 - Identical
ONORM EN ISO 3741:2003 - Identical
DIN EN ISO 3741 (2001-01) - Identical
BS EN ISO 3741:2000 - Identical
SN EN ISO 3741:1999 - Identical
