BS EN ISO 4869-2:2018-TC

Tracked Changes. Acoustics. Hearing protectors. Estimation of effective A-weighted sound pressure levels when hearing protectors are worn.

NORMA vydaná dňa 26.2.2020

The information about the standard:

Designation standards: BS EN ISO 4869-2:2018-TC
Publication date standards: 26.2.2020
The number of pages: 59
Approximate weight : 177 g (0.39 lbs)
Country: British technical standard
Kategória: Technické normy BS