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经营范围
发明名称
Toy submarine
摘要
申请公布号
US2749658(A)
申请公布日期
1956.06.12
申请号
US19510254525
申请日期
1951.11.02
申请人
NEUMANN ALBERT W
发明人
NEUMANN ALBERT 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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