Project No.EN ISO 4869-4:2000
TitleThe standard specifies methods for measuring sound attenuation of amplitude sensitive hearing protectors valid for relevant sound pressure levels at normal exposure to noises.
Registration number (WIID)9770
ScopeThe standard specifies methods for measuring sound attenuation of amplitude sensitive hearing protectors valid for relevant sound pressure levels at normal exposure to noises.
StatusAtcelts
ICS group13.340.20