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Norm
ISO 3744:1981
Issue date: 1981 05 01
Acoustics — Determination of sound power levels of noise sources — Engineering methods for free-field conditions over a reflecting plane
Withdrawn: 1994 05 05
Publisher:
International Organization for Standardization
Format:
Digital | 25 Pages
Language:
English
Currently valid:
ICS
ISO 3744:2010
2010 09 22
Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound...
Norm
ISO 3744:1994
1994 05 05
Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering ...
Norm
ISO 3744:1981
1981 05 01
Acoustics — Determination of sound power levels of noise sources — Engineering methods for free-fiel...
Norm
↖
Norm
Issue date :
1994 05 05
Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting plane
