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发明名称
Controllable-pitch aeronautical propeller
摘要
申请公布号
US2308488(A)
申请公布日期
1943.01.19
申请号
US19380225960
申请日期
1938.08.20
申请人
UNITED AIRCRAFT CORPORATION
发明人
CALDWELL FRANK W.;MARTIN ERIE;HARTFORD WEST;ANDERSON JOHN E.
分类号
B64C11/36
主分类号
B64C11/36
代理机构
代理人
主权项
地址
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