NA 122
DIN Standards Committee Machine Tools
Standards
[CURRENT]
ISO 11821
ISO 11821
Acoustics - Measurement of the in situ sound attenuation of a removable screen
Title (German)
Akustik - Messung der Schalldämpfung von versetzbaren Schallschirmen im Einsatzfall (ISO 11821:1997)
Responsible national committee
NA 001-02-03 AA - Sound propagation, noise control and noise reduction