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经营范围
发明名称
Training apparatus for ball games
摘要
申请公布号
GB665518(A)
申请公布日期
1952.01.23
申请号
GB19490019746
申请日期
1949.07.27
申请人
JOHN ANTHONY LOUIS DENGHY
发明人
分类号
A63B69/40
主分类号
A63B69/40
代理机构
代理人
主权项
地址
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