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发明名称
自动铅笔
摘要
1.仰视图与俯视图对称,省略仰视图;2.指示透明部位的参考图上平行斜线指示的部分是透明的。
申请公布号
CN300742168D
申请公布日期
2008.02.06
申请号
CN200730003957.2
申请日期
2007.02.25
申请人
株式会社百乐
发明人
池田明教
分类号
19-06
主分类号
19-06
代理机构
中原信达知识产权代理有限责任公司
代理人
顾 缨;田军锋
主权项
地址
日本东京都
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