
Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering methods for an essentially free field over a reflecting plane
NORMA vydaná dňa 1.12.2025
Designation standards: GOST ISO 3744-2024
Publication date standards: 1.12.2025
The number of pages: 69
Approximate weight : 207 g (0.46 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST