
Acoustics -- Hearing protectors -- Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
NORMA vydána dne 25.4.2020
Designation standards: JIS T8161-2:2020
Publication date standards: 25.4.2020
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Other standards
Kategorie: Technické normy JIS