<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 4435:1991]]> /cms/render/live/es/sites/isoorg/contents/data/standard/01/03/10338.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± 4435:1991]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 4435:1991 - Unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings for buried drainage and sewerage systems — Specifications]]> /cms/render/live/es/sites/isoorg/contents/data/standard/01/03/10338.html /cms/render/live/es/sites/isoorg/contents/data/standard/01/03/10338.html 2003-02-11