
Acoustics -- Hearing protectors -- Part 1: Subjective method for the measurement of sound attenuation
NORMA vydána dne 25.4.2020
Designation standards: JIS T8161-1:2020
Publication date standards: 25.4.2020
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: Other standards
Kategorie: Technické normy JIS