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发明名称
PADDLING DEVICE FOR BOATS
摘要
申请公布号
US3614939(A)
申请公布日期
1971.10.26
申请号
USD3614939
申请日期
1969.07.28
申请人
BASSIL H. DIB
发明人
BASSIL H. DIB
分类号
B63H1/06;B63H16/20;(IPC1-7):B63H1/06
主分类号
B63H1/06
代理机构
代理人
主权项
地址
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