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发明名称
Ball catcher and thrower
摘要
申请公布号
US2505090(A)
申请公布日期
1950.04.25
申请号
US19460682171
申请日期
1946.07.09
申请人
BERRY WILLIAM L
发明人
BERRY WILLIAM L.
分类号
A63B59/02
主分类号
A63B59/02
代理机构
代理人
主权项
地址
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