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经营范围
发明名称
Soccer training aid
摘要
A rebound wall (10) for a ball game includes a base unit (12) and a wall unit (14). The wall unit may be located in at least two different positions relative to the base unit to change how the ball rebounds from the device.
申请公布号
US7909330(B2)
申请公布日期
2011.03.22
申请号
US20070161152
申请日期
2007.01.20
申请人
DOMJEN PETER A
发明人
DOMJEN PETER A.
分类号
A63B69/00
主分类号
A63B69/00
代理机构
代理人
主权项
地址
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