Noise of machines. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane
NORMA vydána dne 1.7.2000
Designation standards: GOST R 51401-99
Note: NEPLATNÁ
Publication date standards: 1.7.2000
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST