DIN EN 4805:2017 Aerospace series - Flange couplings - Weld coupling, straight, in heat resisting steel - Inch series; German and English version EN 4805:2017
2017DIN EN 4805:2017-08 Aerospace series - Flange couplings - Weld coupling, straight, in heat resisting steel - Inch series; German and English version EN 4805:2017
2017DIN EN 4805:2017 Aerospace series - Flange couplings - Weld coupling, straight, in heat resisting steel - Inch series; German and English version EN 4805:2017