
Acoustics. Audiometric test methods. Speech audiometry
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
UNE EN ISO 8253-3:1998 - Identical
SS EN ISO 8253-3 Ed. 1 (1998) - Identical
I.S. EN ISO 8253-3:1998 - Identical
UNI EN ISO 8253-3:2000 - Identical
NBN EN ISO 8253-3:1998 - Identical
NF EN ISO 8253-3:1998 - Identical
ONORM EN ISO 8253-3:1998 - Identical
DIN EN ISO 8253-3 (1998-10) - Identical
NEN EN ISO 8253-3:1998 - Identical
SN EN ISO 8253-3:1999 - Identical
NS EN ISO 8253-3 Ed. 1 (1998) - Identical
ISO 8253-3:1996 - Identical