I.S. EN 4552:2003被替代
Aerospace Series - Pipe Coupling 37 Degree, Spherical, In Heat Resisting Steel - Straight Nipples, Welded End - Inch Series
出版：National Standards Authority of Ireland
专家解读视频
Gives 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
NBN EN 4552:2003 - Identical
DIN EN 4552 (2004-08) - Identical
NF EN 4552:2016 - Identical
SN EN 4552:2015 - Identical
UNI EN 4552:2016 - Identical
NEN EN 4552:2015 - Identical
BS EN 4552:2015 - Identical
EN 4552:2015 - Identical
NBN EN 4552:2015 - Identical
NF EN 4552:2003 - Identical
SN EN 4552:2003 - Identical
BS EN 4552:2003 - Identical
UNI EN 4552:2004 - Identical
NS EN 4552 Ed. 1 (2003) - Identical
