<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 23991:2022]]> /cms/render/live/en/sites/isoorg/contents/data/standard/07/75/77567.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± 23991:2022]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 23991:2022 - Irrigation applications of ductile iron pipelines — Product design and installation]]> /cms/render/live/en/sites/isoorg/contents/data/standard/07/75/77567.html /cms/render/live/en/sites/isoorg/contents/data/standard/07/75/77567.html 2022-04-07