DIN EN ISO 23251 Berichtigung 1-2008 石油、石化和天然气工业.压力释放和降压系统.勘误表DIN EN ISO 23251-2007-12.英文版本EN ISO 23251-2007/AC-2008
Petroleum, petrochemical and natural gas industries - Pressure-relieving and depressuring systems (ISO 23251:2006); English version EN ISO 23251:2007, Corrigendum to DIN EN ISO 23251:2007-12; English version EN ISO 23251:2007/AC:2008
Petroleum, petrochemical and natural gas industries - Pressure-relieving and depressuring systems (ISO 23251:2006); English version EN ISO 23251:2007, Corrigendum to DIN EN ISO 23251:2007-12; English version EN ISO 23251:2007/AC:2008