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发明名称
Ball game device
摘要
申请公布号
GB502165(A)
申请公布日期
1939.03.13
申请号
GB19370016055
申请日期
1937.06.09
申请人
WALTER HASEMAN
发明人
分类号
A63F7/06
主分类号
A63F7/06
代理机构
代理人
主权项
地址
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