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发明名称
A TENNIS PRACTICE AID
摘要
申请公布号
EP0241211(A3)
申请公布日期
1988.07.27
申请号
EP19870302843
申请日期
1987.04.01
申请人
CHRYMAT PTY. LTD.
发明人
DOFEL, ANDREW WILLIAM ROGER
分类号
A63B69/00;(IPC1-7):A63B69/38
主分类号
A63B69/00
代理机构
代理人
主权项
地址
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