DIN EN ISO 6974-1 (2012-11)现行
Natural gas - Determination of composition and associated uncertainty by gas chromatography Part 1: General guidelines and calculation of composition (ISO 6974-1:2012)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
UNE EN ISO 6974-1:2013 - Identical
NEN EN ISO 6974-1:2012 - Identical
NBN EN ISO 6974-1:2012 - Identical
ONORM EN ISO 6974-1:2013 - Identical
NS EN ISO 6974-1:2012 - Identical
SN EN ISO 6974-1:2012 - Identical
NF EN ISO 6974-1:2012 - Identical
SS EN ISO 6974-1 Ed. 2 (2012) - Identical
