DIN EN ISO 7625-2011 硬质合金除外的烧结金属材料.用于碳含量测定的化学分析用样本预制(ISO/DIS 7625-2011).德文版本prEN ISO 7625-2011
Sintered metal materials, excluding hardmetals - Preparation of samples for chemical analysis for determination of carbon content (ISO/DIS 7625:2011); German version prEN ISO 7625:2011