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发明名称
笔(DS502)
摘要
申请公布号
CN300985993D
申请公布日期
2009.08.19
申请号
CN200830168180.X
申请日期
2008.06.20
申请人
丁伟东
发明人
丁伟东
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溪工业园区桐庐东盛笔业有限公司
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