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发明名称
圆珠笔
摘要
左视图与右视图对称,故省略左视图。
申请公布号
CN3345552D
申请公布日期
2004.01.07
申请号
CN03349116.X
申请日期
2003.05.30
申请人
三菱铅笔株式会社
发明人
西田刚史
分类号
19-08
主分类号
19-08
代理机构
北京市中咨律师事务所
代理人
郑中军;马江立
主权项
地址
日本东京都
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