DIN EN ISO 18647:2020-01 Petroleum and natural gas industries - Modular drilling rigs for offshore fixed platforms (ISO 18647:2017); English version EN ISO 18647:2019, only on CD-ROM / Note: CD-ROM
2020DIN EN ISO 18647:2020-01 Petroleum and natural gas industries - Modular drilling rigs for offshore fixed platforms (ISO 18647:2017); English version EN ISO 18647:2019, only on CD-ROM / Note: CD-ROM