空腔易擦器,申请号CN201410071299.X-传众专利搜索

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发明名称	空腔易擦器
摘要	一种空腔易擦器，弹簧、推片、粉笔仓、粉笔出仓口、粉笔出仓推动按钮、后仓盖按顺序连接，弹簧一端固定在粉笔仓内侧面，另一端连接着推片。
申请公布号	CN104875531A	申请公布日期	2015.09.02
申请号	CN201410071299.X	申请日期	2014.03.02
申请人	李雪梅	发明人	李雪梅
分类号	B43L21/00(2006.01)I	主分类号	B43L21/00(2006.01)I
代理机构		代理人
主权项	一种空腔易擦器，弹簧、推片、粉笔仓、粉笔出仓口、粉笔出仓推动按钮、后仓盖按顺序连接，弹簧一端固定在粉笔仓内侧面，另一端连接着推片。
地址	735000 甘肃省酒泉市肃州区东苑中学

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