2017DIN EN 4801:2017-08 Aerospace series - Flange couplings - Swivel flange with 3 fastening holes, in heat resisting steel - Inch series; German and English version EN 4801:2017
2017DIN EN 4801:2017 Aerospace series - Flange couplings - Swivel flange with 3 fastening holes, in heat resisting steel - Inch series; German and English version EN 4801:2017
1970DIN EN 4801 E:2016-11 Aerospace series - Flange couplings - Swivel flange with 3 fastening holes, in heat resisting steel - Inch series