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发明名称
多能六角绘图尺
摘要
省略其它视图。
申请公布号
CN3010025S
申请公布日期
1991.07.03
申请号
CN90302445.4
申请日期
1990.12.28
申请人
陈德鸿
发明人
陈德鸿
分类号
19-06-D0240
主分类号
19-06-D0240
代理机构
常德市专利事务所
代理人
周绪洞
主权项
地址
416600湖南省大庸市教研室
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