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发明名称
Training device for golfers
摘要
申请公布号
US2690911(A)
申请公布日期
1954.10.05
申请号
US19510207769
申请日期
1951.01.25
申请人
NEWGREN ARVID E
发明人
NEWGREN ARVID E.
分类号
A63B69/36
主分类号
A63B69/36
代理机构
代理人
主权项
地址
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