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经营范围
发明名称
Large-area ball game
摘要
Published without abstract.
申请公布号
DE3726331(A1)
申请公布日期
1989.02.16
申请号
DE19873726331
申请日期
1987.08.07
申请人
DREES,RUDOLF
发明人
DREES,RUDOLF
分类号
A63B67/06;A63F7/00
主分类号
A63B67/06
代理机构
代理人
主权项
地址
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