LST EN 24869-1-1999
Acoustics - Hearing protectors - Subjective method for the measurement of sound attenuation (ISO 4869-1:1990)

Standard No.

LST EN 24869-1-1999

Release Date

1999

Published By

Lithuanian Standards Office

Latest

LST EN 24869-1-1999

LST EN 24869-1-1999 history

• 1999 LST EN 24869-1-1999 Acoustics - Hearing protectors - Subjective method for the measurement of sound attenuation (ISO 4869-1:1990)