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发明名称
笔筒(韵律笔筒)
摘要
申请公布号
CN300985970D
申请公布日期
2009.08.19
申请号
CN200830083531.7
申请日期
2008.04.08
申请人
孙阳阳
发明人
孙阳阳
分类号
19-06
主分类号
19-06
代理机构
唐山永和专利商标事务所
代理人
王永红
主权项
地址
100044北京市海淀区北京交通大学建筑与艺术系
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