Chemical analysis of ferrous materials - Determination of manganese in steels and irons - Electrometric titration method; German version EN 10071:2012— 10 стр.
Erdöl- und Erdgasindustrie - Zemente und Materialien für die Zementation von Tieflochbohrungen - Teil 1: Anforderungen (ISO 10426-1:2009 + Cor 1:2010) (konsolidierte Fassung)
Chemical analysis of ferrous materials; determination of manganese in steel and iron; electrometric titration method; german version EN 10071:1989— 6 стр.
Chemical analysis of ferrous products - Determination of manganese in steels and irons - Electrometric titration method; German version prEN 10071:2012
Chemical analysis of ferrous materials; determination of manganese in steel and iron; electrometric titration method; german version EN 10071:1989— 6 стр.