NF EN 10253-4:2009现行
Butt-Welding Pipe Fittings - Part 4: Wrought Austenitic And Austenitic-Ferritic (Duplex) Stainless Steels With Specific Inspection Requirements
出版：Association Francaise de Normalisation
专家解读视频
2009 [01/03/2009]2003 PR [01/10/2003]
Indice de classement: A49-170-4. PR NF EN 10253-4 October 2003. (10/2003)
BS EN 10253-4:2008 - Identical
EN 10253-4:2008 - Identical
NEN EN 10253-4:2008 - Identical
DIN EN 10253-4 : 2008 - Identical
DIN EN 10253-4 : 2008 - Identical
DIN EN 10253-4 E : 2008 - Identical
BS EN 10253-4 : 2008 - Identical
SS EN 10253-4 Ed. 1 (2008) - Identical
DIN EN 10253-4 (2008-06) - Identical
