NS EN 4550-1:2014現行
Aerospace Series - Pipe Coupling, 37 Degree - Design Configuration - Inch Series - Part 1: Male Sealing Ends, Spherical
出版：Norwegian Standards (Norges Standardiseringsforbund)
專家解讀視頻
2014 [01/03/2015]2003 [10/03/2003]
I.S. EN 4550-1:2014 - Identical
SN EN 4550-1:2003 - Identical
ONORM EN 4550-1:2004 - Identical
UNI EN 4550-1:2004 - Identical
ONORM EN 4550-1:2016 - Identical
SN EN 4550-1:2015 - Identical
UNI EN 4550-1:2016 - Identical
NF EN 4550-1:2015 - Identical
NEN EN 4550-1:2015 - Identical
NBN EN 4550-1:2015 - Identical
DIN EN 4550-1 (2015-03) - Identical
SS EN 4550-1 Ed. 2 (2014) - Identical
BS EN 4550-1:2014 - Identical
