
Petroleum and natural gas industries - Steel drill pipe
出版:International Organization for Standardization

专家解读视频
GB/T 29166-2012 - Modified
API 5DP Ed. 1 (2009/R2015) - Equivalent
SS EN ISO 11961 Ed. 2 (2008) - Identical
NEN EN ISO 11961:2008 - Identical
BS EN ISO 11961:2008 - Identical
I.S. EN ISO 11961:2008 - Identical