<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 6349:1979]]> /cms/render/live/en/sites/isoorg/contents/data/standard/01/26/12652.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± 6349:1979]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 6349:1979 - Gas analysis — Preparation of calibration gas mixtures — Permeation method]]> /cms/render/live/en/sites/isoorg/contents/data/standard/01/26/12652.html /cms/render/live/en/sites/isoorg/contents/data/standard/01/26/12652.html 2002-02-07