Calidad del aire. Determinación de un índice de humo negro.
AMBIENT AIR. DETERMINATION OF A BLACK SMOKE INDEX.
AIR AMBIANT. DÉTERMINATION D'UN INDICE DE FUMÉE NOIRE.
Buy on AENOR
13.040.01 / Air quality in general
CTN 77/SC 2 - Air
ISO 9835:1993 (Identical)
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