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sklademVydáno: 2011-07-27
UNE EN ISO 3744:2011
Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)
Acústica. Determinación de los niveles de potencia acústica y de los niveles de energía acústica de fuentes de ruido utilizando presión acústica. Métodos de ingeniería para un campo esencialmente libre sobre un plano reflectante. (ISO 3744:2010)
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| Označení normy: | UNE EN ISO 3744:2011 |
| Počet stran: | 88 |
| Vydáno: | 2011-07-27 |
| Status: | Norma |
DESCRIPTION
This standard UNE EN ISO 3744:2011 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010) is classified in these ICS categories:
- 17.140.01
Categories: