UNE-EN ISO 11821:1998
ACOUSTICS. MEASUREMENT OF THE IN SITU SOUND ATTENUATION OF A REMOVABLE SCREEN. (ISO 11821:1997).

Standard No.

UNE-EN ISO 11821:1998

Release Date

1998

Published By

AENOR

Latest

UNE-EN ISO 11821:1998

UNE-EN ISO 11821:1998 history

• 1998 UNE-EN ISO 11821:1998 ACOUSTICS. MEASUREMENT OF THE IN SITU SOUND ATTENUATION OF A REMOVABLE SCREEN. (ISO 11821:1997).