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发明名称
Improvements to keels
摘要
申请公布号
AU644131(B2)
申请公布日期
1993.12.02
申请号
AU19910071136
申请日期
1991.02.18
申请人
KEVIN WILLIAMS
发明人
KEVIN WILLIAMS
分类号
B63B39/06;B63B41/00
主分类号
B63B39/06
代理机构
代理人
主权项
地址
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