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发明名称
Automatic boat pumping device
摘要
申请公布号
US2624305(A)
申请公布日期
1953.01.06
申请号
US19470778100
申请日期
1947.10.06
申请人
HERRICK WILLIAM W;HERRICK JAMES E
发明人
HERRICK WILLIAM W.;HERRICK JAMES E.
分类号
B63B13/00
主分类号
B63B13/00
代理机构
代理人
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