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发明名称
Game practice device
摘要
申请公布号
US2272765(A)
申请公布日期
1942.02.10
申请号
US19400331368
申请日期
1940.04.24
申请人
DALTON BEESON JOHN;BUCK HAROLD Z
发明人
BEESON JOHN DALTON;BUCK HAROLD Z.
分类号
A63B69/00
主分类号
A63B69/00
代理机构
代理人
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