专利名称：Aluminium alloy
发明人：GRAEME JOHN MARSHALL 申请号：AU6664296
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申请日：19960806
公开号：AU720545B2洋务运动的本质
公开日：嫉妒的近义词
20000601
宿多音字组词
残障儿童专利内容由知识产权出版社提供
摘要：An Al extrusion alloy has the composition: Si0.15-0.6 wt.%; Fe up to 0.5 % preferably 0.15-0.35 %; Cu up to 0.3 %; Mn 0.8-1.2 %; Zn up to 0.1 %. An extrusion billet is homogenid at 590-630 DEG C and then cooled at a rate of 10-150 DEG C/hour to control dispersoid spacing preferably at least about 1 mu m and Mn solid solution content preferably from about 0.55 % to 0.65 %. The extrusion billets can be extruded faster at lower extrusion pressures and with improved extrudate surface finish.
愉快反义词申请人：ALCAN INTERNATIONAL LIMITED声势浩大
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