DIN EN 3902:2017-03 Aerospace series - Washers for rivet assemblies, in aluminium alloy, anodized, metric series; German and English version EN 3902:2016
2017DIN EN 3902:2017-03 Aerospace series - Washers for rivet assemblies, in aluminium alloy, anodized, metric series; German and English version EN 3902:2016
2017DIN EN 3902:2017 Aerospace series - Washers for rivet assemblies, in aluminium alloy, anodized, metric series; German and English version EN 3902:2016