绘图仪,申请号CN91303944.6-传众专利搜索

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发明名称	绘图仪
摘要	1.省略其它视图。2.主视图中25个小圆组成的方阵及其它图形为通孔。主视图中25个小圆的使用状态参考图
申请公布号	CN3013333S	申请公布日期	1992.04.22
申请号	CN91303944.6	申请日期	1991.10.08
申请人	孙宏曦	发明人	高俊仁
分类号	19-06	主分类号	19-06
代理机构	江苏省专利服务中心	代理人	牛莉莉
主权项
地址	224100江苏省大丰县裕华乡黄海北路51

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