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发明名称
Paper-board toy house
摘要
申请公布号
US2232953(A)
申请公布日期
1941.02.25
申请号
US19380234352
申请日期
1938.10.11
申请人
FERDINAND MALLGRAF
发明人
MALLGRAF FERDINAND
分类号
A63H3/52
主分类号
A63H3/52
代理机构
代理人
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