DIN EN ISO 15351-2010 钢铁.氮含量测定.惰性气体流融合后的热电导计方法(常规法)(ISO 15351-1999).德文版本EN ISO 15351-2010
Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method) (ISO 15351:1999); German version EN ISO 15351:2010