<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 10140-2:2021]]> /cms/render/live/es/sites/isoorg/contents/data/standard/07/94/79487.html Normas y proyectos de Ïã¸ÛÁùºÏ²Ê¿ª½± Ïã¸ÛÁùºÏ²Ê¿ª½±.org 60 /modules/isoorg-template/img/iso/favicon/red/favicon1.ico http://www.iso.org/ <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 10140-2:2021]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 10140-2:2021 - Acoustics — Laboratory measurement of sound insulation of building elements — Part 2: Measurement of airborne sound insulation]]> /cms/render/live/es/sites/isoorg/contents/data/standard/07/94/79487.html /cms/render/live/es/sites/isoorg/contents/data/standard/07/94/79487.html 2021-04-15