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发明名称
自动铅笔
摘要
左视图与右视图对称,省略左视图。
申请公布号
CN3196742D
申请公布日期
2001.08.15
申请号
CN01300968.0
申请日期
2001.01.18
申请人
株式会社寿
发明人
气田忠史
分类号
19-06-P0153
主分类号
19-06-P0153
代理机构
北京银龙专利代理有限公司
代理人
郝庆芬
主权项
地址
日本京都府
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