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发明名称
标准化答题板
摘要
本外观设计为板状,只提供主视图,省略其它视图。
申请公布号
CN3025428D
申请公布日期
1994.05.25
申请号
CN93306673.2
申请日期
1993.06.04
申请人
张民
发明人
张民
分类号
19-06
主分类号
19-06
代理机构
沈阳市专利事务所
代理人
王玉信
主权项
地址
110015辽宁省沈阳市建筑工程学院城建系
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