DIN EN 12177 Berichtigung 1-2006 液化石油产品.无铅汽油.气相色谱法测定苯含量
Liquid petroleum products - Unleaded petrol - Determination of benzene content by gas chromatography; German version EN 12177:1998, Corrigenda to DIN EN 12177:1998-08; German version EN 12177:1998/AC:2000