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发明名称
Means for propelling a rowboat
摘要
申请公布号
US2726624(A)
申请公布日期
1955.12.13
申请号
US19520288409
申请日期
1952.05.17
申请人
RAICY FRANK W
发明人
RAICY FRANK W.
分类号
B63H1/30
主分类号
B63H1/30
代理机构
代理人
主权项
地址
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