SN - NS 4821:1982
Acoustics - Determination of sound power levels of noise sources - Precision methods for anechoic and semi-anechoic rooms ( ISO 3745:1977)
inactive, Most Current
| Organization: | SN |
| Publication Date: | 1 October 1982 |
| Status: | inactive |
| ICS Code (Acoustic measurements and noise abatement in general): | 17.140.01 |
Document History
NS 4821:1982
October 1, 1982
Acoustics - Determination of sound power levels of noise sources - Precision methods for anechoic and semi-anechoic rooms ( ISO 3745:1977)
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