<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 54:1977]]> /cms/render/live/en/sites/isoorg/contents/data/standard/00/36/3691.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± 54:1977]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 54:1977 - Cylindrical gears for general engineering and for heavy engineering — Modules and diametral pitches]]> /cms/render/live/en/sites/isoorg/contents/data/standard/00/36/3691.html /cms/render/live/en/sites/isoorg/contents/data/standard/00/36/3691.html 1996-12-19