Norm
[AKTUELL]
UNE-EN ISO 11821
UNE-EN ISO 11821
ACOUSTICS. MEASUREMENT OF THE IN SITU SOUND ATTENUATION OF A REMOVABLE SCREEN. (ISO 11821:1997).
Titel (englisch)
ACOUSTICS. MEASUREMENT OF THE IN SITU SOUND ATTENUATION OF A REMOVABLE SCREEN. (ISO 11821:1997).