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Homepage>UNE standards>UNE 77231:1997 Calidad del aire. Determinación de un índice de humo negro.
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in stockReleased: 1997-04-08
UNE 77231:1997 Calidad del aire. Determinación de un índice de humo negro.

UNE 77231:1997

Calidad del aire. Determinación de un índice de humo negro.

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63.41 USD
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