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经营范围
发明名称
Fluid driven propeller
摘要
申请公布号
US2705051(A)
申请公布日期
1955.03.29
申请号
US19500172125
申请日期
1950.07.05
申请人
ARNOLD HAUSER
发明人
HAUSER ARNOLD
分类号
B63H1/28
主分类号
B63H1/28
代理机构
代理人
主权项
地址
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