<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½±/R 552:1966]]> /cms/render/live/en/sites/isoorg/contents/data/standard/00/46/4632.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±/R 552:1966]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½±/R 552:1966 - Methods of chemical analysis of manganese ores — Determination of calcium oxide content and magnesium oxide content]]> /cms/render/live/en/sites/isoorg/contents/data/standard/00/46/4632.html /cms/render/live/en/sites/isoorg/contents/data/standard/00/46/4632.html 1984-11-01