UNE-EN ISO 13625:2002 Petroleum and natural gas industries - Drilling and production equipment - Marine drilling riser couplings (ISO 13625:2002) (Endorsed by AENOR in March of 2003.)
2003UNE-EN ISO 13625:2002 Petroleum and natural gas industries - Drilling and production equipment - Marine drilling riser couplings (ISO 13625:2002) (Endorsed by AENOR in March of 2003.)