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发明名称
BALL TRAINERS
摘要
申请公布号
GB1482710(A)
申请公布日期
1977.08.10
申请号
GB19740051852
申请日期
1975.10.17
申请人
DART LTD M
发明人
分类号
A63B69/00;A63B71/02;(IPC1-7):A63B69/00
主分类号
A63B69/00
代理机构
代理人
主权项
地址
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