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发明名称
Golf shot indicating device for golf shot practice ball
摘要
申请公布号
US3101948(A)
申请公布日期
1963.08.27
申请号
US19610111205
申请日期
1961.05.19
申请人
CAMPBELL JAMES W
发明人
CAMPBELL JAMES W.
分类号
A63B69/36
主分类号
A63B69/36
代理机构
代理人
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