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发明名称
多用棋盘
摘要
申请公布号
CN3081447D
申请公布日期
1998.07.15
申请号
CN97309690.X
申请日期
1997.04.02
申请人
周秋松
发明人
周秋松
分类号
21-01-C0299
主分类号
21-01-C0299
代理机构
武汉市专利事务所
代理人
赵森林
主权项
地址
430068湖北省武汉市武昌狮子山湖北工学院96电子92信箱
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