
Aerospace series. Pipe coupling 37, spherical, in heat resisting steel. Straight nipples, welded end. Inch series
出版:British Standards Institution

專家解讀視頻
? British Standards Institution 2013
NF EN 4552:2003 - Identical
ONORM EN 4552:2003 - Identical
NEN EN 4552:2003 - Identical
SS EN 4552 Ed. 1 (2003) - Identical
NS EN 4552 Ed. 1 (2003) - Identical
UNI EN 4552:2004 - Identical
I.S. EN 4552:2003 - Identical
NBN EN 4552:2003 - Identical
DIN EN 4552 (2004-08) - Identical
SN EN 4552:2003 - Identical