I.S. EN ISO 389-3:1999被替代
Acoustics - Reference Zero For The Calibration Of Audiometric Equipment - Part 3: Reference Equivalent Threshold Force Levels For Pure Tones And Bone Vibrators
出版：National Standards Authority of Ireland
专家解读视频
Defines data applicable to the calibration of bone vibrators for puretone bone-conduction audiometry.
Supersedes I.S. EN 27566.
(04/2005)
UNI EN ISO 389-3:1999 - Identical
NBN EN ISO 389-3:1999 - Identical
NF EN ISO 389-3:1999 - Identical
ONORM EN ISO 389-3:1999 - Identical
DIN EN ISO 389-3 (1999-07) - Identical
NEN EN ISO 389-3:1999 - Identical
BS EN ISO 389-3:1999 - Identical
SN EN ISO 389-3:1999 - Identical
ISO 389-3:1994 - Identical
SS EN ISO 389-3 Ed. 1 (1999) - Identical
UNE EN ISO 389-3:1999 - Identical
NS EN ISO 389-3 Ed. 1 (1999) - Identical
SS EN ISO 389-3 Ed. 2 (2016) - Identical
BS EN ISO 389-3:2016 - Identical
EN ISO 389-3:2016 - Identical
