<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 389-3:1994]]> /cms/render/live/es/sites/isoorg/contents/data/standard/02/24/22495.html Normas y proyectos de Ïã¸ÛÁùºÏ²Ê¿ª½± Ïã¸ÛÁùºÏ²Ê¿ª½±.org 60 /modules/isoorg-template/img/iso/favicon/red/favicon1.ico http://www.iso.org/ <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 389-3:1994]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 389-3:1994 - Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators]]> /cms/render/live/es/sites/isoorg/contents/data/standard/02/24/22495.html /cms/render/live/es/sites/isoorg/contents/data/standard/02/24/22495.html 2016-01-04