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发明名称
Perforated board and push pin for a salvo game
摘要
申请公布号
US2579454(A)
申请公布日期
1951.12.25
申请号
US19490132951
申请日期
1949.12.14
申请人
ACHEN ROBERT K
发明人
ACHEN ROBERT K.
分类号
A63F9/00
主分类号
A63F9/00
代理机构
代理人
主权项
地址
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