NF S31-302:1997
Road traffic noise reducing devices. Test method for determining the acoustic performance. Part 2: intrinsic characteristics of airborne sound insulation.

Standard No.
NF S31-302:1997
Release Date
1997
Published By
Association Francaise de Normalisation
Status
 2013-01
Replace By
NF S31-301-2:2013
Latest
NF S31-301-2:2013

NF S31-302:1997 history

  • 2013 NF S31-301-2:2013 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: intrinsic characteristics of airborne sound insulation under diffuse sound field conditions
  • 1997 NF S31-302:1997 Road traffic noise reducing devices. Test method for determining the acoustic performance. Part 2: intrinsic characteristics of airborne sound insulation.
Road traffic noise reducing devices. Test method for determining the acoustic performance. Part 2: intrinsic characteristics of airborne sound insulation.



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