I.S. EN ISO 8253-1:1998被替代
Acoustics - Audiometric Test Methods - Part 1: Basic Pure Tone Air And Bone Conduction Threshold Audiometry
出版：National Standards Authority of Ireland
专家解读视频
Define methods and requirements for air conduction and bone conduction threshold audiometry.
NF EN ISO 8253-1:1999 - Identical
NBN EN ISO 8253-1:1998 - Identical
UNI EN ISO 8253-1:2000 - Identical
NS EN ISO 8253-1 Ed. 1 (1999) - Identical
ISO 8253-1:1989 - Identical
SS EN ISO 8253-1 Ed. 1 (1998) - Identical
NEN EN ISO 8253-1:1998 - Identical
BS EN ISO 8253-1:1998 - Identical
ONORM EN ISO 8253-1:1998 - Identical
UNE EN ISO 8253-1:1998 - Identical
