Norm
[AKTUELL]
UNE-EN 4552
UNE-EN 4552
Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Straight nipples, welded end - Inch series (Endorsed by AENOR in September of 2015.)
Titel (englisch)
Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Straight nipples, welded end - Inch series (Endorsed by AENOR in September of 2015.)