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经营范围
发明名称
Ice-skating rink
摘要
申请公布号
GB662514(A)
申请公布日期
1951.12.05
申请号
GB19490023789
申请日期
1949.09.15
申请人
REUBEN JOHN YOCUM
发明人
分类号
E01C13/10
主分类号
E01C13/10
代理机构
代理人
主权项
地址
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