ISO 10847:1997 EN b805352a
Acoustics — In-situ determination of insertion loss of outdoor noise barriers of all types
现行
发布日期 :
1997-07-24
实施日期 :
ISO 11201:2010 EN 0dc38b11
Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
现行
发布日期 :
2010-05-06
实施日期 :
ISO/TR 25417:2007 EN/RU 8bb692ff
Acoustics — Definitions of basic quantities and terms
现行
发布日期 :
2007-11-20
实施日期 :