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UNE 77231:1997 (R2016)
AMBIENT AIR. DETERMINATION OF A BLACK SMOKE INDEX.
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Technical characteristics
| Publisher | Asociacion Espanola de Normalizacion y Certificacion (AENOR) |
| Publication Date | 04/08/1997 |
| Confirmation Date | 01/26/2016 |
| Page Count | 14 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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08/04/1997
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