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发明名称
笔
摘要
左视图与右视图对称,省略左视图。
申请公布号
CN301090972D
申请公布日期
2009.12.23
申请号
CN200830324800.4
申请日期
2008.12.26
申请人
三菱铅笔株式会社
发明人
日比野一昭
分类号
19-06
主分类号
19-06
代理机构
北京金信立方知识产权代理有限公司
代理人
张 彬;赵嘉祥
主权项
地址
日本东京
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