Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room
NORMA vydaná dňa 1.10.2007
Designation standards: GOST 31338-2006
Note: NEPLATNÁ
Publication date standards: 1.10.2007
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST