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发明名称
国际象棋
摘要
申请公布号
CN3017624D
申请公布日期
1993.04.07
申请号
CN92306219.X
申请日期
1992.10.24
申请人
荣景甡; 葛宝林
发明人
荣景甡; 葛宝林
分类号
21-01
主分类号
21-01
代理机构
三友专利事务所
代理人
李颖虹
主权项
地址
100020北京市朝阳区芳草地小学
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