<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 4852:1978]]> /cms/render/live/es/sites/isoorg/contents/data/standard/01/08/10835.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± 4852:1978]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 4852:1978 - Personal eye-protectors — Infra-red filters — Utilisation and transmittance requirements]]> /cms/render/live/es/sites/isoorg/contents/data/standard/01/08/10835.html /cms/render/live/es/sites/isoorg/contents/data/standard/01/08/10835.html 2021-03-02