BS EN ISO 389-5:2006现行
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
出版：British Standards Institution
专家解读视频
2006 [28/02/2007]2001 [15/02/2001]
© British Standards Institution 2013
NS EN ISO 389-5 Ed. 2 (2007) - Identical
ISO/TR 389-5:1998 - Identical
UNE EN ISO 389-5:2007 - Identical
SS EN ISO 389-5 Ed. 2 (2006) - Identical
ISO 389-5:2006 - Identical
NEN EN ISO 389-5:2006 - Identical
NF EN ISO 389-5:2008 - Identical
DIN EN ISO 389-5 (2007-05) - Identical
ONORM EN ISO 389-5:2007 - Identical
NF EN ISO 389-5:2005 - Identical
NBN EN ISO 389-5:2007 - Identical
UNI EN ISO 389-5:2007 - Identical
I.S. EN ISO 389-5:2006 - Identical
SN EN ISO 389-5:2007 - Identical
