<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 717-2:2020]]> /cms/render/live/es/sites/isoorg/contents/data/standard/06/98/69867.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± 717-2:2020]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 717-2:2020 - Acoustics — Rating of sound insulation in buildings and of building elements — Part 2: Impact sound insulation]]> /cms/render/live/es/sites/isoorg/contents/data/standard/06/98/69867.html /cms/render/live/es/sites/isoorg/contents/data/standard/06/98/69867.html 2020-12-02