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发明名称
Mechanical toy
摘要
申请公布号
US1863587(A)
申请公布日期
1932.06.21
申请号
US19310559226
申请日期
1931.08.25
申请人
CARL ARNOLD
发明人
ARNOLD CARL
分类号
A63H18/02
主分类号
A63H18/02
代理机构
代理人
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地址
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