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发明名称
Putting practice aid
摘要
A putting practice aid includes a light source to provide a virtual golf hole putting target and a detector to detect a golf ball with respect to the virtual golf hole.
申请公布号
US7297069(B2)
申请公布日期
2007.11.20
申请号
US20050220829
申请日期
2005.09.07
申请人
THE PUTTALITE COMPANY LIMITED
发明人
DONOVAN MICHAEL KEVIN;BOYLE MICHAEL JOHN
分类号
A63B69/36;A63B63/00
主分类号
A63B69/36
代理机构
代理人
主权项
地址
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