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发明名称
Golf stroke practice device
摘要
申请公布号
US2077318(A)
申请公布日期
1937.04.13
申请号
US19340734849
申请日期
1934.07.12
申请人
BENJAMIN GOODMAN
发明人
GOODMAN BENJAMIN
分类号
A63B69/36
主分类号
A63B69/36
代理机构
代理人
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