<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 15971:2008]]> /cms/render/live/es/sites/isoorg/contents/data/standard/04/48/44867.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± 15971:2008]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 15971:2008 - Natural gas — Measurement of properties — Calorific value and Wobbe index]]> /cms/render/live/es/sites/isoorg/contents/data/standard/04/48/44867.html /cms/render/live/es/sites/isoorg/contents/data/standard/04/48/44867.html 2020-01-14