<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 3744:2010]]> /cms/render/live/en/sites/isoorg/contents/data/standard/05/20/52055.html Ïã¸ÛÁùºÏ²Ê¿ª½± standards and projects Ïã¸ÛÁùºÏ²Ê¿ª½±.org 60 /modules/isoorg-template/img/iso/favicon/red/favicon1.ico http://www.iso.org/ <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 3744:2010]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 3744:2010 - Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane]]> /cms/render/live/en/sites/isoorg/contents/data/standard/05/20/52055.html /cms/render/live/en/sites/isoorg/contents/data/standard/05/20/52055.html 2020-03-11