<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 22863-4:2021]]> /cms/render/live/es/sites/isoorg/contents/data/standard/07/74/77411.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± 22863-4:2021]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 22863-4:2021 - Fireworks — Test methods for determination of specific chemical substances — Part 4: Analysis of lead and lead compounds by X-ray fluorescence spectrometry (XRF)]]> /cms/render/live/es/sites/isoorg/contents/data/standard/07/74/77411.html /cms/render/live/es/sites/isoorg/contents/data/standard/07/74/77411.html 2021-03-17