DIN EN 2045-2003 航空航天系列.公差等级h11、厚度6mm a 50mm的铝及铝合金拉制方棒.尺寸
Aerospace series - Square bars, drawn, in aluminium and aluminium alloys, tolerance class h11, thickness 6 mma50 mm - Dimensions; German and English version EN 2045:2001
The project specifies the dimensions and tolerances of: Square bars, drawn in aluminium and aluminium alloys, tolerance class h11, thickness 6 mma50 mm for aerospace applications.#,,#