Superseded
Standard
Historical
NF S31-021 (10/1982)
Acoustics. Platform measurement of the noise emitted by ducted fans. Reduced chamber on discharge method.
Preview
No description.
Technical characteristics
| Publisher | Association Française de Normalisation (AFNOR) |
| Publication Date | 10/01/1982 |
| Release Date | 10/01/1982 |
| Cancellation Date | 11/05/2004 |
| Page Count | 17 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
01/10/1982
Superseded
Historical