Noise of machines. Determination of sound power levels using sound pressure. Precision methods for reverberation rooms
NORMA vydaná dňa 1.10.2005
Designation standards: GOST 31274-2004
Note: NEPLATNÁ
Publication date standards: 1.10.2005
The number of pages: 27
Approximate weight : 81 g (0.18 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST