2014DIN EN 4686:2014-12 Aerospace series - Pipe coupling 8°30<Minute> in titanium alloy - Equipped blind ferrules; German and English version EN 4686:2014
1970DIN EN 4686 E:2014-03 Aerospace series - Pipe coupling 8°30′ in titanium alloy - Equipped blind ferrules
2014DIN EN 4686:2014 Aerospace series - Pipe coupling 8°30′ in titanium alloy - Equipped blind ferrules; German and English version EN 4686:2014