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发明名称
初中数学绘图板
摘要
省略其它视图。
申请公布号
CN3031487D
申请公布日期
1995.04.26
申请号
CN94303039.0
申请日期
1994.03.31
申请人
李广全
发明人
李广全
分类号
19-06
主分类号
19-06
代理机构
天津市专利事务所
代理人
贺京同
主权项
地址
300007天津市南开区万德庄新颜西里85号
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