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发明名称
文学常识速查盘
摘要
一种中小学生用的文学常识速查盘,由上、中、下三个圆盘和铆轴组成。上、下圆盘结构相同,圆盘面上分四个圆环,按圆周分若干等份,单面印刷,圆盘上有三个显示孔。中间圆盘分三个圆环,双面印刷。按上、中、下圆盘组合后,用铆轴铆合在一起,组成文学常识速查盘。此盘结构简单,节省材料,使用方便,查找知识迅速准确。
申请公布号
CN2134686Y
申请公布日期
1993.05.26
申请号
CN92220848.4
申请日期
1992.09.26
申请人
陈晓辉
发明人
陈晓辉
分类号
G09B1/22
主分类号
G09B1/22
代理机构
代理人
主权项
1、一种文学常识速查盘,包括圆盘和铆轴,其特征在于:此盘由上圆盘、中间圆盘、下圆盘和铆轴组成,上、下圆盘结构相同,单面印刷,圆盘上由圆心向外分四个圆环,三个显示孔分别在第二、第三和第四个圆环上,中间圆盘是双单印刷,圆盘面上有三个圆环;上、中、下圆盘组合,用铆轴联接,组成文学常识速查盘。
地址
150006黑龙江省哈尔滨市南岗区海城街48号
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