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经营范围
发明名称
BALL GAME APPARATUS
摘要
申请公布号
CA911481(A)
申请公布日期
1972.10.03
申请号
CAD911481
申请日期
申请人
JAMES L. ECKEBRECHT
发明人
JAMES L. ECKEBRECHT
分类号
A63B67/10
主分类号
A63B67/10
代理机构
代理人
主权项
地址
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