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申请公布号
CN300873897D
申请公布日期
2009.01.14
申请号
CN200730287058.X
申请日期
2007.12.13
申请人
汪 敏
发明人
叶 虹
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;屠福河
主权项
地址
311519浙江省桐庐县分水镇玉华路199号分水制笔科技创新服务中心
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