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经营范围
发明名称
Boat propeller
摘要
A boat propeller system, consisting of propeller blades attached to the forwardmost portion of a cylindrical housing extending aftward from the propeller blades for increasing the propulsion of the propeller system.
申请公布号
US2008064274(A1)
申请公布日期
2008.03.13
申请号
US20060518624
申请日期
2006.09.11
申请人
HIGGS BRENTNALL JESSE
发明人
HIGGS BRENTNALL JESSE
分类号
B63H1/14
主分类号
B63H1/14
代理机构
代理人
主权项
地址
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