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Noise of machines. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane
STANDARD published on 1.7.2000
Designation standards: GOST R 51401-99
Note: WITHDRAWN
Publication date standards: 1.7.2000
SKU: NS-400174
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Latest update: 2025-12-29 (Number of items: 2 253 390)
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