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经营范围
发明名称
棋盘(2)
摘要
1.省略后视图;2.棋子形状不定,只要放入棋盘即可。
申请公布号
CN3251857D
申请公布日期
2002.08.21
申请号
CN02301907.7
申请日期
2002.01.10
申请人
李建恩
发明人
李建恩
分类号
21-01
主分类号
21-01
代理机构
甘肃省专利服务中心
代理人
陶涛
主权项
地址
730050甘肃省兰州市七里河区敦煌路204号兰石厂退修办
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