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发明名称
Leitkoerper zur Verbesserung des Propulsionswirkungsgrades von Schraubenschiffen
摘要
申请公布号
DE548328(C)
申请公布日期
1932.04.11
申请号
DENDATC042091D
申请日期
申请人
LEO COSTANIEVICH
发明人
分类号
B63H5/16
主分类号
B63H5/16
代理机构
代理人
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地址
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