DIN EN 4555:2004-08 Aerospace series - Pipe coupling 37°, in heat resisting steel - Ferrules, welded end - Inch series; German and English version EN 4555:2003
2004DIN EN 4555:2004-08 Aerospace series - Pipe coupling 37°, in heat resisting steel - Ferrules, welded end - Inch series; German and English version EN 4555:2003
2004DIN EN 4555:2004 Aerospace series - Pipe coupling 37°, in heat resisting steel - Ferrules, welded end - Inch series; German and English version EN 4555:2003