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发明名称
Propeller
摘要
申请公布号
US3023813(A)
申请公布日期
1962.03.06
申请号
US19590784764
申请日期
1959.01.02
申请人
RUDOLF FENGLER
发明人
FENGLER RUDOLF
分类号
B63H5/10;B64C11/48;B64C29/00
主分类号
B63H5/10
代理机构
代理人
主权项
地址
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