UNE EN ISO 389-7:2006現行
Acoustics - Reference Zero For The Calibration Of Audiometric Equipment - Part 7: Reference Threshold Of Hearing Under Free-Field And Diffuse-Field Listening Conditions Reference Threshold Of Hearing At 20 Hz And 18000 Hz Under Free-Field Listening Conditions And At 20 Hz Under Diffuse-Field Listening Conditions (Iso 389-7:2005/Amd 1:2016)
出版：Asociacion Espanola de Normalizacion
專家解讀視頻
2006 A1 2016 [16/11/2016]2006 [15/02/2006]1998 [30/07/1998]
NS EN ISO 389-7 Ed. 2 (2006) - Identical
I.S. EN ISO 389-7:2005 - Identical
UNI EN ISO 389-7:2006 - Identical
NBN EN ISO 389-7:2006 - Identical
NF EN ISO 389-7:2006 - Identical
ONORM EN ISO 389-7:2006 - Identical
ONORM EN ISO 389-7:2017 - Identical
SS EN ISO 389-7 Ed. 2 (2005) - Identical
ISO 389-7:2005 - Identical
EN ISO 389-7:2005 - Identical
DIN EN ISO 389-7 (2017-01) - Identical
SN EN ISO 389-7:2006 - Identical
NEN EN ISO 389-7:2006 - Identical
BS EN ISO 389-7:2005 - Identical
DIN EN ISO 389-7 (2006-04) - Identical
NS EN ISO 389-7:1998 - Identical
BS EN ISO 389-7:2005+A1:2016 - Identical
UNI EN ISO 389-7:2016 - Identical
