<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 23221:2020]]> /cms/render/live/en/sites/isoorg/contents/data/standard/07/49/74915.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± 23221:2020]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 23221:2020 - Pipeline corrosion control engineering life cycle — General requirements]]> /cms/render/live/en/sites/isoorg/contents/data/standard/07/49/74915.html /cms/render/live/en/sites/isoorg/contents/data/standard/07/49/74915.html 2020-12-01