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in stockReleased: 1997-04-08
UNE 77231:1997
AMBIENT AIR. DETERMINATION OF A BLACK SMOKE INDEX.
Calidad del aire. Determinación de un índice de humo negro.
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Spanish PDF
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62.34 USD
Spanish Hardcopy
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| Standard number: | UNE 77231:1997 |
| Pages: | 14 |
| Released: | 1997-04-08 |
DESCRIPTION
This standard UNE 77231:1997 AMBIENT AIR. DETERMINATION OF A BLACK SMOKE INDEX. is classified in these ICS categories:
- 13.040.01