NS EN ISO 389-3 Ed. 1 (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：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines data which applies to the calibrating of bone vibrators for puretone bone-conduction audiometry.
Supersedes NS ISO 7566. (09/2000)
ISO 389-3:1994 - Identical
SS EN ISO 389-3 Ed. 1 (1999) - Identical
I.S. EN ISO 389-3:1999 - Identical
ONORM EN ISO 389-3:1999 - Identical
SN EN ISO 389-3:1999 - Identical
EN ISO 389-3:2016 - Identical
UNI EN ISO 389-3:2016 - Identical
BS EN ISO 389-3:2016 - Identical
NF EN ISO 389-3:2016 - Identical
SS EN ISO 389-3 Ed. 2 (2016) - Identical
NBN EN ISO 389-3:2016 - Identical
NEN EN ISO 389-3:2016 - Identical
BS EN ISO 389-3:1999 - Identical
NEN EN ISO 389-3:1999 - Identical
DIN EN ISO 389-3 (1999-07) - Identical
NF EN ISO 389-3:1999 - Identical
NBN EN ISO 389-3:1999 - Identical
UNI EN ISO 389-3:1999 - Identical
UNE EN ISO 389-3:1999 - Identical
