Acoustics — Hearing protectors — Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
STANDARD published on 4.10.2018
Designation standards: ISO 4869-2:2018-ed.2.0
Publication date standards: 4.10.2018
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: International technical standard
Category: Technical standards ISO