DIN EN ISO 4938:2016-08 Steel and iron - Determination of nickel content - Gravimetric or titrimetric method (ISO 4938:2016); German version EN ISO 4938:2016
2016DIN EN ISO 4938:2016-08 Steel and iron - Determination of nickel content - Gravimetric or titrimetric method (ISO 4938:2016); German version EN ISO 4938:2016
2016DIN EN ISO 4938:2016 Steel and iron - Determination of nickel content - Gravimetric or titrimetric method (ISO 4938:2016); German version EN ISO 4938:2016
1992DIN EN 24938:1992 Determination of nickel content of steel and iron by gravimetry or volumetric analysis (ISO 4938:1988); german version EN 24938:1990