Outdoor sound propagation.
NORMA vydána dne 1.1.1988
Designation standards: VDI 2714
Note: NEPLATNÁ
Publication date standards: 1.1.1988
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: German technical standard
Kategorie: Technické normy VDI
Schallausbreitung im Freien.