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发明名称
Amusement device
摘要
申请公布号
US2205471(A)
申请公布日期
1940.06.25
申请号
US19380211869
申请日期
1938.06.04
申请人
FAGERHOLM DAVID R
发明人
FAGERHOLM DAVID R.
分类号
G07F17/34
主分类号
G07F17/34
代理机构
代理人
主权项
地址
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