UNE-EN 4555:2003 Aerospace series - Pipe coupling 37°, in heat resisting steel - Ferrules, welded end - Inch series (Endorsed by AENOR in April of 2003.)
2003UNE-EN 4555:2003 Aerospace series - Pipe coupling 37°, in heat resisting steel - Ferrules, welded end - Inch series (Endorsed by AENOR in April of 2003.)