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发明名称
A PLAYING SURFACE CONSTRUCTION
摘要
申请公布号
GB2264875(A)
申请公布日期
1993.09.15
申请号
GB19930004267
申请日期
1993.03.03
申请人
STEPHEN * DEAN
发明人
STEPHEN * DEAN
分类号
E01C13/08
主分类号
E01C13/08
代理机构
代理人
主权项
地址
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