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发明名称
PLAY SURFACES
摘要
申请公布号
GB8825612(D0)
申请公布日期
1988.12.07
申请号
GB19880025612
申请日期
1988.11.02
申请人
NOTTINGHAMSHIRE COUNTY COUNCIL
发明人
分类号
E01C13/06;E01C13/08
主分类号
E01C13/06
代理机构
代理人
主权项
地址
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