Noise of machones. Industrial fans. Determination of sound power levels under laboratory conditions. Part 4. Sound intensity method
STANDARD published on 1.10.2008
Designation standards: GOST 31353.4-2007
Publication date standards: 1.10.2008
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: Russian technical standard
Category: Technical standards GOST