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经营范围
发明名称
Rudder for ships and boats
摘要
申请公布号
US2972323(A)
申请公布日期
1961.02.21
申请号
US19590822761
申请日期
1959.04.28
申请人
OLAFUR EINARSSON;HILMAR OLAFSSON SIGURDUR
发明人
EINARSSON OLAFUR;OLAFSSON SIGURDUR HILMAR
分类号
B63H25/38
主分类号
B63H25/38
代理机构
代理人
主权项
地址
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