DIN EN ISO 10423 (2010-05)现行
Petroleum and natural gas industries - Drilling and production equipment - Wellhead and christmas tree equipment (ISO 10423:2009); English version EN ISO 10423:2009, only on CD-ROM
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
NS EN ISO 10423:2009 - Identical
SS EN ISO 10423 Ed. 3 (2009) - Identical
ONORM EN ISO 10423:2010 - Identical
BS EN ISO 10423:2009 - Identical
UNI EN ISO 10423:2005 - Identical
NEN EN ISO 10423:2010 - Identical
UNI EN ISO 10423:2012 - Identical
EN ISO 10423:2009 - Identical
NBN EN ISO 10423:2010 - Identical
