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经营范围
发明名称
Aluminium base alloy
摘要
申请公布号
US2781263(A)
申请公布日期
1957.02.12
申请号
US19540426292
申请日期
1954.04.28
申请人
ROLLS-ROYCE LIMITED
发明人
GRESHAM HAROLD ERNEST;FARNSWORTH ALEC GEORGE;HALL DOUGLAS WILSON
分类号
C22C21/12
主分类号
C22C21/12
代理机构
代理人
主权项
地址
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