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发明名称
Hand operated propeller drive for boats
摘要
申请公布号
US3323482(A)
申请公布日期
1967.06.06
申请号
US19650501271
申请日期
1965.10.22
申请人
SANBORN DONALD W
发明人
SANBORN DONALD W.
分类号
B63H16/20
主分类号
B63H16/20
代理机构
代理人
主权项
地址
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