<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 389-3:1994/Cor 1:1995]]> /cms/render/live/en/sites/isoorg/contents/data/standard/02/60/26022.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± 389-3:1994/Cor 1:1995]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 389-3:1994/Cor 1:1995 - Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators — Technical Corrigendum 1]]> /cms/render/live/en/sites/isoorg/contents/data/standard/02/60/26022.html /cms/render/live/en/sites/isoorg/contents/data/standard/02/60/26022.html 2016-01-04