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22421 |
prEN ISO 19902Petroleum and natural gas industries - Fixed steel offshore structures (ISO/DIS 19902:2018) Petroleum and natural gas industries - Fixed steel offshore structures (ISO/DIS 19902:2018) |
22422 |
prEN ISO 19905-3Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 3: Floating unit (ISO 19905-3:2017) Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 3: Floating unit (ISO 19905-3:2017) |