一种自动铅笔,申请号CN201020205857.4-传众专利搜索

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发明名称	一种自动铅笔
摘要	一种自动铅笔，其特征在于：笔杆1和三孔转轴2相连，笔杆1和三孔转轴3相连。提供一种可以同时存放多根笔芯的自动铅笔。
申请公布号	CN201685578U	申请公布日期	2010.12.29
申请号	CN201020205857.4	申请日期	2010.05.25
申请人	张超	发明人	张超
分类号	B43K21/00(2006.01)I	主分类号	B43K21/00(2006.01)I
代理机构		代理人
主权项	一种自动铅笔，其特征在于：笔杆(1)和三孔转轴(2)相连，笔杆(1)和三孔转轴(3)相连。
地址	401147 重庆市松树桥中学

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