Acoustic - Preferred frequencies.
NORMA vydaná dňa 1.8.1997
Designation standards: DIN EN ISO 266:1997-08
Publication date standards: 1.8.1997
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Akustik - Normfrequenzen.