NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
Standards
[CURRENT]
ISO 10424-1
ISO 10424-1
Petroleum and natural gas industries - Rotary drilling equipment - Part 1: Rotary drill stem elements
Title (German)
Erdöl- und Erdgasindustrie - Drehende Bohrausrüstungsteile - Teil 1: Drehende Bohrgestänge-Elemente