DIN EN ISO 6974-1 E:2010 天然气 通过气相色谱法测定成分和相关不确定度 第1部分:一般准则和成分计算 (ISO/DIS 6974-1:2010) 草案
Draft Document - Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO/DIS 6974-1:2010); German version prEN ISO 6974-1:2010