<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 717-1:1982]]> /cms/render/live/es/sites/isoorg/contents/data/standard/00/49/4939.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± 717-1:1982]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 717-1:1982 - Acoustics — Rating of sound insulation in buildings and of building elements — Part 1: Airborne sound insulation in buildings and of interior building elements]]> /cms/render/live/es/sites/isoorg/contents/data/standard/00/49/4939.html /cms/render/live/es/sites/isoorg/contents/data/standard/00/49/4939.html 1996-12-05