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经营范围
发明名称
Method of forming a blade
摘要
申请公布号
US2925649(A)
申请公布日期
1960.02.23
申请号
US19530374676
申请日期
1953.08.17
申请人
ROLLS-ROYCE LIMITED
发明人
BOON ERNEST EDWIN
分类号
B21H7/16
主分类号
B21H7/16
代理机构
代理人
主权项
地址
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