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发明名称
Combined whisker pole and boat hook
摘要
A sailboat having a foresail is disclosed including a combination whisker pole and boat hook where the whisker pole portion includes a cleat for securing an idle foresail sheet to retain the pole in contact with the foresail clew releasably.
申请公布号
US4817549(A)
申请公布日期
1989.04.04
申请号
US19870114840
申请日期
1987.10.30
申请人
BEATMAN, JOHN E.
发明人
BEATMAN, JOHN E.
分类号
B63B21/54;B63H9/10
主分类号
B63B21/54
代理机构
代理人
主权项
地址
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