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发明名称
笔(713)
摘要
后视图与主视图对称,省略后视图。
申请公布号
CN300908871D
申请公布日期
2009.04.15
申请号
CN200830088225.2
申请日期
2008.01.25
申请人
余 平
发明人
余 平
分类号
19-06
主分类号
19-06
代理机构
杭州天欣专利事务所
代理人
陈 红
主权项
地址
311519浙江省桐庐县分水镇东关工业园区桐庐欣荟笔业公司
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