ONORM EN ISO 11961:1997被替代
Petroleum And Natural Gas Industries - Steel Pipes For Use As Drill Pipe - Specification
出版：Osterreichisches Normungsinstitut
专家解读视频
Defines technical delivery conditions for steel drill pipes to be used in drilling and producing operations.
NEN EN ISO 11961:2008 - Identical
SN EN ISO 11961:1997 - Identical
DIN EN ISO 11961 (1997-03) - Identical
BS EN ISO 11961:1997 - Identical
NEN EN ISO 11961:1997 - Identical
UNI EN ISO 11961:2009 - Identical
NS EN ISO 11961:2008 - Identical
SN EN ISO 11961:2009 - Identical
NBN EN ISO 11961:2009 - Identical
SS EN ISO 11961 Ed. 2 (2008) - Identical
ISO 11961:1996 - Identical
SS EN ISO 11961 Ed. 1 (1997) - Identical
NS EN ISO 11961 Ed. 1 (1997) - Identical
UNI EN ISO 11961:2001 - Identical
NF EN ISO 11961:1997 - Identical
I.S. EN ISO 11961:1997 - Identical
NBN EN ISO 11961:1997 - Identical
