<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 21931-1:2010]]> /cms/render/live/es/sites/isoorg/contents/data/standard/04/55/45559.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± 21931-1:2010]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 21931-1:2010 - Sustainability in building construction — Framework for methods of assessment of the environmental performance of construction works — Part 1: Buildings]]> /cms/render/live/es/sites/isoorg/contents/data/standard/04/55/45559.html /cms/render/live/es/sites/isoorg/contents/data/standard/04/55/45559.html 2022-06-23