
Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation (ISO 4869-1:2018)
NORM herausgegeben am 1.5.2019
Designation standards: STN EN ISO 4869-1
Classification mark: 832131
Catalog number: 128476
Note: UNGÜLTIG
Publication date standards: 1.5.2019
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN