NS EN 4552 Ed. 1 (2003)现行
Aerospace Series - Pipe Coupling, 37 Degree, Spherical, In Heat Resisting Steel - Straight Nipples, Welded End - Inch Series
出版：Norwegian Standards (Norges Standardiseringsforbund)
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.
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
NEN EN 4552:2015 - Identical
BS EN 4552:2015 - Identical
EN 4552:2015 - Identical
NBN EN 4552:2003 - Identical
I.S. EN 4552:2003 - Identical
UNI EN 4552:2004 - Identical
SS EN 4552 Ed. 1 (2003) - Identical
NEN EN 4552:2003 - Identical
ONORM EN 4552:2003 - Identical
