UNI EN 4552:2004被替代
Aerospace Series - Pipe Coupling 37 Degree, Spherical, In Heat Resisting Steel - Straight Nipples, Welded End - Inch Series
出版：Italian Standards
专家解读视频
Defines the characteristics of welded straight nipples for inch series pipe couplings, 37 degree, spherical, in heat resisting steel, for aerospace applications.
ONORM EN 4552:2003 - Identical
NEN EN 4552:2003 - Identical
SS EN 4552 Ed. 1 (2003) - Identical
NS EN 4552 Ed. 1 (2003) - Identical
I.S. EN 4552:2003 - Identical
NBN EN 4552:2003 - Identical
DIN EN 4552 (2004-08) - Identical
BS EN 4552:2003 - Identical
SN EN 4552:2003 - Identical
NF EN 4552:2003 - Identical
NBN EN 4552:2015 - Identical
NF EN 4552:2016 - Identical
SN EN 4552:2015 - Identical
NEN EN 4552:2015 - Identical
BS EN 4552:2015 - Identical
EN 4552:2015 - Identical
