
Acoustics - Determination of sound power levels of noise sources using sound intensity Part 1: Measurement at discrete points (ISO 9614-1:1993)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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SN EN ISO 9614-1:2010 - Identical
NBN EN ISO 9614-1:2009 - Identical
UNI EN ISO 9614-1:2009 - Identical
NEN EN ISO 9614-1:2009 - Identical
BS EN ISO 9614-1:2009 - Identical
SS EN ISO 9614-1 Ed. 2 (2009) - Identical
NF EN ISO 9614-1:2009 - Identical