2017DIN EN 4806:2017-08 Aerospace series - Flange couplings - Weld coupling, straight, in nickel alloy - Inch series; German and English version; EN 4806:2017
2017DIN EN 4806:2017 Aerospace series - Flange couplings - Weld coupling, straight, in nickel alloy - Inch series; German and English version; EN 4806:2017
1970DIN EN 4806 E:2016-11 Aerospace series - Flange couplings - Weld coupling, straight, in nickel alloy - Inch series