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发明名称
baseball batting practice tools
摘要
申请公布号
KR200440038(Y1)
申请公布日期
2008.05.20
申请号
KR20070001051U
申请日期
2007.01.22
申请人
发明人
分类号
A63B67/10;A63B67/20;A63B69/00
主分类号
A63B67/10
代理机构
代理人
主权项
地址
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