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发明名称
Variable pitch propellers
摘要
申请公布号
US3321023(A)
申请公布日期
1967.05.23
申请号
US19660524914
申请日期
1966.02.03
申请人
DOWTY ROTOL LIMITED
发明人
RUSSELL JOHN G.;BASS ROBERT M.;HELLIER ERNEST J.
分类号
B64C11/34
主分类号
B64C11/34
代理机构
代理人
主权项
地址
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