DIN EN 3837:2019 Aerospace series - Paints and varnishes - Nature and method for surface preparation of test pieces in aluminium alloys; German and English version EN 3837:2019
2019DIN EN 3837:2019-11 Aerospace series - Paints and varnishes - Nature and method for surface preparation of test pieces in aluminium alloys; German and English version EN 3837:2019
2019DIN EN 3837:2019 Aerospace series - Paints and varnishes - Nature and method for surface preparation of test pieces in aluminium alloys; German and English version EN 3837:2019