NS EN 4550-4:2014现行
Aerospace Series - Pipe Coupling, 37 Degree - Design Configuration - Inch Series - Part 4: Female Sealing Ends
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
2014 [01/03/2015]2003 [10/03/2003]
UNI EN 4550-4:2016 - Identical
ONORM EN 4550-4:2016 - Identical
SN EN 4550-4:2015 - Identical
UNI EN 4550-4:2004 - Identical
ONORM EN 4550-4:2004 - Identical
SN EN 4550-4:2003 - Identical
BS EN 4550-4:2014 - Identical
NF EN 4550-4:2015 - Identical
NEN EN 4550-4:2015 - Identical
NBN EN 4550-4:2015 - Identical
DIN EN 4550-4 (2015-03) - Identical
SS EN 4550-4 Ed. 2 (2014) - Identical
I.S. EN 4550-4:2014 - Identical
