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经营范围
发明名称
Constant pressure shrouded propeller
摘要
申请公布号
US3112610(A)
申请公布日期
1963.12.03
申请号
US19610091818
申请日期
1961.02.27
申请人
JERGER JOSEPH J
发明人
JERGER JOSEPH J.
分类号
B63H5/10;B63H5/14;B63H11/08
主分类号
B63H5/10
代理机构
代理人
主权项
地址
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