dnf安全模式怎么解除专利名称：Aluminum-lithium alloys
发明人：Sharvan Kumar, K.,Pickens, Joph Robert 申请号：EP87310593.6
申请日：19871201
公开号：EP0273600B1乒乓菊>韭黄炒滑蛋
永不放弃英文
公开日：
春雨19920318
朝代顺序>桔子拼音
专利内容由知识产权出版社提供
摘要：A group of alloys, bad on aluminum and containing: about 1.0 to 2.8% lithium; an alloying element lected from about 2.5 to 7.0% magnesium or about 4.0 to 7.0% copper and less than about 1.0% of at least one additive element lected from zirconium, chromium, and mangane. The alloys have an improved combination of properties such as strength, ductility and weldability and in some cas improved tensile properties at cryogenic temperatures.
申请人：COMALCO ALUMINIUM, LTD.
地址：55 COLLINS STREET; MELBOURNE VICTORIA 3000
保持理智代理机构：Crisp, David Norman
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