Characteristic noise emission values of technical sound sources - Transformers.
NORMA vydána dne 1.2.1999
Designation standards: VDI 3739
Publication date standards: 1.2.1999
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: German technical standard
Kategorie: Technické normy VDI
Emissionskennwerte technischer Schallquellen - Transformatoren.