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经营范围
发明名称
Marine propeller
摘要
申请公布号
US2508160(A)
申请公布日期
1950.05.16
申请号
US19470747541
申请日期
1947.05.12
申请人
HANSEN OLE E
发明人
HANSEN OLE E.
分类号
B63H1/16
主分类号
B63H1/16
代理机构
代理人
主权项
地址
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