

专家解读视频
Defines an method of engineering for determination of the sound power levels of small, movable noise sources.
Supersedes NBN ISO 3743. (09/2007)
BS EN ISO 3743-2:1997 - Identical
NEN EN ISO 3743-2:1996 - Identical
SN EN ISO 3743-2:1997 - Identical
DIN EN ISO 3743-2 (1996-12) - Identical
ONORM EN ISO 3743-2:1997 - Identical
I.S. EN ISO 3743-2:1997 - Identical
NF EN ISO 3743-2:1996 - Identical
UNI EN ISO 3743-2:1997 - Identical
NS EN ISO 3743-2 Ed. 1 (1996) - Identical
ISO 3743-2:1994 - Identical
SS EN ISO 3743-2 Ed. 1 (1996) - Identical
UNE EN ISO 3743-2:1997 - Identical
SS EN ISO 3743-2 Ed. 2 (2009) - Identical
ONORM EN ISO 3743-2:2009 - Identical
NS EN ISO 3743-2:2009 - Identical
NF EN ISO 3743-2:2009 - Identical
UNI EN ISO 3743-2:2009 - Identical
NEN EN ISO 3743-2:2009 - Identical