NEN EN ISO 3744:1995被替代
Acoustics - Determination Of Sound Power Levels Of Noise Sources Using Sound Pressure - Engineering Methods In A Essentially Free-field Conditions Over A Reflecting Plane
出版：Nederlands Normalisatie Instituut
专家解读视频
1995 [01/10/1995]
Supersedes NEN ISO 3744. (10/2002) Draft issued in April 2006. (05/2006)
NBN EN ISO 3744:1996 - Identical
I.S. EN ISO 3744:1996 - Identical
UNI EN ISO 3744:1997 - Identical
NF EN ISO 3744:1995 - Identical
NS EN ISO 3744 Ed. 2 (1996) - Identical
ISO 3744:1994 - Identical
UNE EN ISO 3744:1996 - Identical
SS EN ISO 3744 Ed. 1 (1995) - Identical
SN EN ISO 3744:1996 - Identical
BS EN ISO 3744:1995 - Identical
DIN EN ISO 3744 (1995-11) - Identical
ONORM EN ISO 3744:1996 - Identical
