ALUMINUM ALLOY 7178, BAR, ROD, SHAPES, TUBE AND WIRE, EXTRUDED (S/S BY ASTM-B241/B241M-1999, ASTM-B221-1996) AND SAE-AMS-QQ-A-200/13A)(SUPERSEDING QQ-A-200/13B)
铝合金7178 棒材、棒材、型材、管材和线材 挤压(S/S由ASTM-B241/B241M-1999、ASTM-B221-1996和SAE-AMS-QQ-A-200/13A批准)(取代QQ-A-200/13B)