NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
Standards
[Withdrawn]
ISO 11961
ISO 11961
Petroleum and natural gas industries - Steel pipes for use as drill pipe - Specification
Title (German)
Erdöl- und Erdgasindustrien - Stahlrohre zur Verwendung als Bohrrohre - Anforderung
Responsible national committee
NA 109-00-01-05 AK - Casing, tubing and drill pipe - Mirror committee zu ISO/TC 67/SC 5