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发明名称
Toy
摘要
申请公布号
US2165833(A)
申请公布日期
1939.07.11
申请号
US19390267755
申请日期
1939.04.14
申请人
DOWST MANUFACTURING COMPANY
发明人
BISCHOF FRANK
分类号
A63H17/26;A63H17/267
主分类号
A63H17/26
代理机构
代理人
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