<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½±/TR 7474:1981]]> /cms/render/live/es/sites/isoorg/contents/data/standard/01/42/14212.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±/TR 7474:1981]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½±/TR 7474:1981 - High density polyethylene pipes and fittings — Chemical resistance with respect to fluids to be conveyed]]> /cms/render/live/es/sites/isoorg/contents/data/standard/01/42/14212.html /cms/render/live/es/sites/isoorg/contents/data/standard/01/42/14212.html 1993-05-12