2022DIN EN ISO 10423:2022-06 Petroleum and natural gas industries - Drilling and production equipment - Wellhead and tree equipment (ISO 10423:2022); English version EN ISO 10423:2022
2022DIN EN ISO 10423:2022 Petroleum and natural gas industry – drilling and production equipment – wellhead and wellhead equipment (ISO 10423:2022)
2021DIN EN ISO 10423:2021 Petroleum and natural gas industries - Drilling and production equipment - Wellhead and tree equipment (ISO/DIS 10423:2021); English version prEN ISO 10423:2021
2010DIN EN ISO 10423:2010 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