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发明名称
Propeller
摘要
申请公布号
US2337861(A)
申请公布日期
1943.12.28
申请号
US19420440498
申请日期
1942.04.25
申请人
JAMES RUSSELL KENNEDY
发明人
ADAMTCHIK MICHAEL THADDIUS
分类号
B64C11/00
主分类号
B64C11/00
代理机构
代理人
主权项
地址
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