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发明名称
田字格纸
摘要
省略其它视图。
申请公布号
CN3250070D
申请公布日期
2002.08.07
申请号
CN01338774.X
申请日期
2001.12.12
申请人
刘爱斌
发明人
刘爱斌
分类号
19-01
主分类号
19-01
代理机构
沈阳杰克专利事务所
代理人
李宇彤
主权项
地址
110015辽宁省沈阳市沈河区428信箱26分箱
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