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sklademVydáno: 2023-01-13
23/30433779 DC
BS EN ISO 3744. Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering methods for an essentially free field over a reflecting plane
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| Označení normy: | 23/30433779 DC |
| Počet stran: | 72 |
| Vydáno: | 2023-01-13 |
| Status: | Draft for Comment |
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23/30433779 DC
This standard 23/30433779 DC BS EN ISO 3744. Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering methods for an essentially free field over a reflecting plane is classified in these ICS categories:
- 17.140.01 Acoustic measurements and noise abatement in general