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发明名称
笔(424)
摘要
主视图与后视图对称,省略后视图。
申请公布号
CN3101401D
申请公布日期
1999.02.03
申请号
CN98312256.3
申请日期
1998.04.21
申请人
上海贵冠文化用品有限公司
发明人
康世忠
分类号
19-06-B0061
主分类号
19-06-B0061
代理机构
上海市专利律师事务所
代理人
李平
主权项
地址
200052上海市江苏路876号
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