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发明名称
可伸缩黑板擦
摘要
一种可伸缩黑板擦,属于教学用具,它包括板擦壳、刷毛和伸缩杆,所说的板擦壳为一凹槽,凹槽内安装刷毛,板擦壳的背部通过万向活节连接伸缩杆。本实用新型的优点和有益效果是:伸缩杆与黑板擦连接,可以调节板擦的高度,适合各种高矮人使用。
申请公布号
CN202952735U
申请公布日期
2013.05.29
申请号
CN201220540020.4
申请日期
2012.10.22
申请人
王立鹏
发明人
王立鹏
分类号
B43L21/04(2006.01)I
主分类号
B43L21/04(2006.01)I
代理机构
代理人
主权项
一种可伸缩黑板擦,其特征在于:它包括板擦壳、刷毛和伸缩杆,所说的板擦壳为一凹槽,凹槽内安装刷毛,板擦壳的背部通过万向活节连接伸缩杆。
地址
300140 天津市河北区昆纬路46号
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