STN EN ISO 4869-2 (832131)

Acoustics. Hearing protectors. Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

NORM herausgegeben am 1.4.1998

The information about the standard:

Designation standards: STN EN ISO 4869-2
Classification mark: 832131
Catalog number: 72258
Note: UNGÜLTIG
Publication date standards: 1.4.1998
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN