ACOUSTICS. DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES USING SOUND PRESSURE. ENGINEERING METHOD IN AN ESSENTIALLY FREE FIELD OVER A REFLECTING PLANE. (ISO 3744:1994).
STANDARD published on 17.5.1996
Designation standards: UNE-EN ISO 3744:1996
Note: WITHDRAWN
Publication date standards: 17.5.1996
The number of pages: 46
Approximate weight : 138 g (0.30 lbs)
Country: Spanish technical standard
Category: Technical standards UNE