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发明名称
Propeller shroud
摘要
申请公布号
US2949092(A)
申请公布日期
1960.08.16
申请号
US19590798203
申请日期
1959.03.09
申请人
FORTUNE DONALD A
发明人
FORTUNE DONALD A.
分类号
B63H25/50
主分类号
B63H25/50
代理机构
代理人
主权项
地址
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