BS EN ISO 4869-4:2000

Acoustics. Hearing protectors. Measurement of effective sound pressure levels for level-dependent sound-restoration ear muffs.

NORMA vydaná dňa 15.8.2000

The information about the standard:

Designation standards: BS EN ISO 4869-4:2000
Publication date standards: 15.8.2000
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategória: Technické normy BS