发明名称 |
Golf putt improvement system |
摘要 |
A golf practice system is provided including a supporting surface having at least one set of concentric rings. Also included is a base positioned on the supporting surface in spaced relationship with the concentric rings.
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申请公布号 |
US6248022(B1) |
申请公布日期 |
2001.06.19 |
申请号 |
US19990328992 |
申请日期 |
1999.06.10 |
申请人 |
STEYN CORNELIUS PETRUS |
发明人 |
STEYN CORNELIUS PETRUS |
分类号 |
A63B63/00;A63B67/02;A63B69/00;A63B69/36;(IPC1-7):A63B67/02 |
主分类号 |
A63B63/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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