2017DIN EN 4804:2017-08 Aerospace series - Flange couplings - Swivel flange with 4 fastening holes, in nickel alloy - Inch series; German and English version EN 4804:2017
2017DIN EN 4804:2017 Aerospace series - Flange couplings - Swivel flange with 4 fastening holes, in nickel alloy - Inch series; German and English version EN 4804:2017
1970DIN EN 4804 E:2016-11 Aerospace series - Flange couplings - Swivel flange with 4 fastening holes, in nickel alloy - Inch series