Norm
[AKTUELL]
UNE-EN 4557
UNE-EN 4557
Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Tees nipples, welded end - Inch series (Endorsed by AENOR in April of 2003.)
Titel (englisch)
Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Tees nipples, welded end - Inch series (Endorsed by AENOR in April of 2003.)