Noise of machines. Reciprocating internal combustion engine driven alternating current generating sets. Measurement of airborne noise by the enveloping surface method
NORMA vydána dne 1.11.2012
Designation standards: GOST 31420-2010
Publication date standards: 1.11.2012
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST