<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 2204:1979]]> /cms/render/live/en/sites/isoorg/contents/data/standard/00/70/7007.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± 2204:1979]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 2204:1979 - Acoustics — Guide to International Standards on the measurement of airborne acoustical noise and evaluation of its effects on human beings]]> /cms/render/live/en/sites/isoorg/contents/data/standard/00/70/7007.html /cms/render/live/en/sites/isoorg/contents/data/standard/00/70/7007.html 1997-03-13