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发明名称
Manual power screw propelled lifeboat
摘要
申请公布号
US2661712(A)
申请公布日期
1953.12.08
申请号
US19500199174
申请日期
1950.12.05
申请人
HORN ARTHUR P
发明人
HORN ARTHUR P.
分类号
B63C9/02;B63H16/18
主分类号
B63C9/02
代理机构
代理人
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