DIN EN ISO 19739:2009 天然气.气相色谱法测定硫化合物的含量(ISO 19739-2004).德文版本EN ISO 19739-2005 + AC-2009
Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004) (includes Corrigendum AC:2009); English version of DIN EN ISO 19739:2009-08