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经营范围
发明名称
Automatic boat drain
摘要
申请公布号
US3180301(A)
申请公布日期
1965.04.27
申请号
US19630295755
申请日期
1963.07.17
申请人
KELLER NICK F
发明人
KELLER NICK F.
分类号
B63B13/00
主分类号
B63B13/00
代理机构
代理人
主权项
地址
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