Determinación del nitrógeno en aceros. Método espectrofotométrico.
DETERMINATION OF NITROGEN CONTENT OF STEELS. SPECTROPHOTOMETRIC METHOD
Buy on AENOR
77.080.20 / Steels
CTN 36 - Iron and steel
ISO 4945:1977 (Identical)
It is cancelled by: UNE-EN ISO 4945:2010