UNE-EN ISO 10407-2:2008 Petroleum and natural gas industries - Rotary drilling equipment - Part 2: Inspection and classification of used drill stem elements (ISO 10407-2:2008) (Endorsed by AENOR in November of 2008.)
2009UNE-EN ISO 10407-2:2008/AC:2009 Petroleum and natural gas industries - Rotary drilling equipment - Part 2: Inspection and classification of used drill stem elements - Technical Corrigendum 1 (ISO 10407-2:2008/Cor 1:2009) (Endorsed by AENOR in November of 2009.)
2008UNE-EN ISO 10407-2:2008 Petroleum and natural gas industries - Rotary drilling equipment - Part 2: Inspection and classification of used drill stem elements (ISO 10407-2:2008) (Endorsed by AENOR in November of 2008.)