Acoustics — Measurement of the in situ sound attenuation of a removable screen
NORMA vydána dne 27.3.1997
Designation standards: ISO 11821:1997
Publication date standards: 27.3.1997
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: International technical standard
Kategorie: Technické normy ISO