<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 21138-3:2020]]> /cms/render/live/es/sites/isoorg/contents/data/standard/06/99/69998.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± 21138-3:2020]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 21138-3:2020 - Plastics piping systems for non-pressure underground drainage and sewerage — Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) — Part 3: Pipes and fittings with non-smooth external surface, Type B]]> /cms/render/live/es/sites/isoorg/contents/data/standard/06/99/69998.html /cms/render/live/es/sites/isoorg/contents/data/standard/06/99/69998.html 2020-01-20