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发明名称
Tennis ball retriever and storage unit
摘要
申请公布号
US3371950(A)
申请公布日期
1968.03.05
申请号
US19660570013
申请日期
1966.08.03
申请人
JACOB STAP
发明人
STAP JACOB
分类号
A63B47/02
主分类号
A63B47/02
代理机构
代理人
主权项
地址
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