<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 53:1998]]> /cms/render/live/en/sites/isoorg/contents/data/standard/02/26/22643.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± 53:1998]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 53:1998 - Cylindrical gears for general and heavy engineering — Standard basic rack tooth profile]]> /cms/render/live/en/sites/isoorg/contents/data/standard/02/26/22643.html /cms/render/live/en/sites/isoorg/contents/data/standard/02/26/22643.html 2021-03-18