<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½±/CD 16890-1]]> /cms/render/live/en/sites/isoorg/contents/data/standard/08/56/85672.html Ïã¸ÛÁùºÏ²Ê¿ª½± standards and projects Ïã¸ÛÁùºÏ²Ê¿ª½±.org 60 /modules/isoorg-template/img/iso/favicon/red/favicon1.ico http://www.iso.org/ <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½±/CD 16890-1]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½±/CD 16890-1 - Air filters for general ventilation — Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM)]]> /cms/render/live/en/sites/isoorg/contents/data/standard/08/56/85672.html /cms/render/live/en/sites/isoorg/contents/data/standard/08/56/85672.html 2024-05-30