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发明名称
知识速查盘
摘要
一种知识速查盘,由两个表盘、中间盘、联接件组成,其特点是表盘由圆心向外按径向分为A、B、C、D、E、F6个圆环,D圆环是空环,B至D圆环按径向开有中间问题阅读窗口6,E至F环按径向开有中间盘答案阅读窗口a,中间盘由圆心向外按径向分别G、H、M、N、W5个圆环。此速查盘,操作简便,阅读直观性强,查找迅速,准确方便。
申请公布号
CN2387602Y
申请公布日期
2000.07.12
申请号
CN99224593.1
申请日期
1999.07.20
申请人
陈晓辉
发明人
陈晓辉
分类号
G09B3/04
主分类号
G09B3/04
代理机构
代理人
主权项
1、一种知识速查盘,由两个表盘、中间盘、联接件组成,其中两个表盘结构相同,位于中间盘上下两表面,用联接件在圆心联接在一起,其特征在于:表盘(1)由圆心向外按径向分为A、B、C、D、E、F6个圆环,D圆环是空环,B至D圆环按径向开有中间盘(2)问题阅读窗口b,E至F环按径向开有中间盘(2)答案阅读窗口a,中间盘(2)由圆心向外按径向分为G、H、M、N、W5个圆环。
地址
150006黑龙江省哈尔滨市南岗区复兴街16号
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