
Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms (ISO 3741:1999); English version of DIN EN ISO 3741
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
SN EN ISO 3741:1999 - Identical
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
I.S. EN ISO 3741:2000 - 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
BS EN ISO 3741:2000 - Identical