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经营范围
发明名称
Improvements in or relating to variable pitch propellers and control mechanisms therefor
摘要
申请公布号
GB658855(A)
申请公布日期
1951.10.17
申请号
GB19490002926
申请日期
1949.02.02
申请人
ROLLS-ROYCE LIMITED
发明人
HAWORTH LIONEL;JOHNSON CHRISTOPHER LINLEY
分类号
B64C11/42
主分类号
B64C11/42
代理机构
代理人
主权项
地址
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