<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 23551-1:2012]]> /cms/render/live/es/sites/isoorg/contents/data/standard/05/43/54346.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± 23551-1:2012]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 23551-1:2012 - Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic and semi-automatic valves]]> /cms/render/live/es/sites/isoorg/contents/data/standard/05/43/54346.html /cms/render/live/es/sites/isoorg/contents/data/standard/05/43/54346.html 2021-10-07