NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
DIN EN ISO 10439 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 9614-2 | 1996-08 | Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 2: Measurement by scanning More |
| ISO 9614-3 | 2002-11 | Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurements by scanning More |
