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经营范围
发明名称
Aluminiumlegierung
摘要
申请公布号
DE672228(C)
申请公布日期
1939.02.23
申请号
DE1931R080890D
申请日期
1931.03.04
申请人
ROLLS-ROYCE, LIMITED
发明人
分类号
C22C21/08;C22C21/10
主分类号
C22C21/08
代理机构
代理人
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