<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 8542:1986]]> /cms/render/live/en/sites/isoorg/contents/data/standard/01/57/15791.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± 8542:1986]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 8542:1986 - Manganese and chromium ores — Experimental methods for evaluation of quality variation and methods for checking the precision of sampling]]> /cms/render/live/en/sites/isoorg/contents/data/standard/01/57/15791.html /cms/render/live/en/sites/isoorg/contents/data/standard/01/57/15791.html 2022-03-25