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发明名称
Ball-point pen with a mechanical pencil
摘要
申请公布号
USD453790(S1)
申请公布日期
2002.02.19
申请号
US20010141545F
申请日期
2001.05.09
申请人
MITSUBISHI PENCIL CO., LTD.
发明人
TSUCHIKURA MASANORI
分类号
主分类号
代理机构
代理人
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