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经营范围
发明名称
Self-propelled toy boat
摘要
申请公布号
US2785505(A)
申请公布日期
1957.03.19
申请号
US19550509790
申请日期
1955.05.20
申请人
TOMAK MILTON E;GRIFFITHS ROBERT W
发明人
TOMAK MILTON E.;GRIFFITHS ROBERT W.
分类号
A63H23/04
主分类号
A63H23/04
代理机构
代理人
主权项
地址
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