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NBN ISO 226:1992
Acoustics - Normal equal-loudness level contours (ISO 226:1987)
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Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 01/01/1992 |
| Page Count | 12 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
01/01/1992
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