<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 389-5:2006]]> /cms/render/live/es/sites/isoorg/contents/data/standard/04/05/40535.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± 389-5:2006]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 389-5:2006 - Acoustics — Reference zero for the calibration of audiometric equipment — Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz]]> /cms/render/live/es/sites/isoorg/contents/data/standard/04/05/40535.html /cms/render/live/es/sites/isoorg/contents/data/standard/04/05/40535.html 2020-04-09