DIN EN ISO 4869-2 (1995-08)现行
Hearing protectors - Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:1994)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
NF EN ISO 4869-2:1995 - Identical
UNI EN ISO 4869-2:1998 - Identical
I.S. EN ISO 4869-2:1996 - Identical
NBN EN ISO 4869-2:1996 - Identical
NS EN ISO 4869-2:1995 - Identical
ISO 4869-2:1994 - Identical
UNE EN ISO 4869-2:1996 - Identical
SS EN ISO 4869-2:1995 - Identical
SN EN ISO 4869-2:1995 - Identical
NEN EN ISO 4869-2:1995 - Identical
BS EN ISO 4869-2:1995 - Identical
ONORM EN ISO 4869-2:1995 - Identical
