NFS 31 025 : 1977
Superseded
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ACOUSTICS - DETERMINATION OF THE SOUND POWER EMITTED BY NOISE SOURCES - ENGINEERING METHOD FOR FREE FIELD CONDITIONS OVER A REFLECTING PLANE
Published date
01-12-2013
Publisher
Superseded date
11-01-1995
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| DocumentType |
Standard
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| PublisherName |
Association Francaise de Normalisation
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| Status |
Superseded
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| SupersededBy |
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