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发明名称
Chain propulsion for boats
摘要
申请公布号
US3013520(A)
申请公布日期
1961.12.19
申请号
US19600019256
申请日期
1960.04.01
申请人
BUCKELEW HERBERT F
发明人
BUCKELEW HERBERT F.
分类号
B63H1/34
主分类号
B63H1/34
代理机构
代理人
主权项
地址
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