
Acoustics - Reference Zero For The Calibration Of Audiometric Equipment - Part 7: Reference Threshold Of Hearing Under Free-Field And Diffuse-Field Listening Conditions (Iso 389-7:2005)
出版:British Standards Institution

专家解读视频
2005 + A1 2016 [31/10/2016]2005 [23/01/2006]1998 [15/04/1998]
Supersedes 93/508224 DC. (10/2005) Supersedes 04/30095174 DC. (02/2006) Supersedes 15/30313896 DC. 2005 Edition Re-issued in October 2016 & incorporates AMD 1 2016. (10/2016)
NS EN ISO 389-7:1998 - Identical
ONORM EN ISO 389-7:2017 - Identical
UNE EN ISO 389-7:2006 - Identical
EN ISO 389-7:2005 - Identical
SS EN ISO 389-7 Ed. 2 (2005) - Identical
NS EN ISO 389-7 Ed. 2 (2006) - Identical
I.S. EN ISO 389-7:2005 - Identical
NBN EN ISO 389-7:2006 - Identical
NF EN ISO 389-7:2006 - Identical
ONORM EN ISO 389-7:2006 - Identical
DIN EN ISO 389-7 (2006-04) - Identical
NEN EN ISO 389-7:2006 - Identical
SN EN ISO 389-7:2006 - Identical
UNI EN ISO 389-7:2016 - Identical