NA 001
DIN/VDI-Normenausschuss Akustik, Lärmminderung und Schwingungstechnik (NALS)
Norm
[ZURÜCKGEZOGEN]
ISO 454
ISO 454
Acoustics - Relation between sound pressure levels of narrow bands of noise in a diffuse field and in a frontally-incident free field for equal loudness
Titel (englisch)
Acoustics - Relation between sound pressure levels of narrow bands of noise in a diffuse field and in a frontally-incident free field for equal loudness