Noise of machines. Determination of sound power levels using sound pressure. Engineering methods for small, movable sources in reverberant fields for hard - walls test rooms and for special reverberation test rooms
NORM herausgegeben am 1.7.2000
Designation standards: GOST R 51400-99
Publication date standards: 1.7.2000
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST