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发明名称
Baseball batting tee
摘要
申请公布号
US2652250(A)
申请公布日期
1953.09.15
申请号
US19500197664
申请日期
1950.11.27
申请人
ALDER ORIN J;FRANK JACOBS
发明人
ALDER ORIN J.;JACOBS FRANK
分类号
A63B69/00
主分类号
A63B69/00
代理机构
代理人
主权项
地址
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