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发明名称
坐井观天笔筒
摘要
申请公布号
CN3184315D
申请公布日期
2001.04.25
申请号
CN00310621.7
申请日期
2000.07.23
申请人
王瑞文
发明人
王瑞文
分类号
19-06-P0146
主分类号
19-06-P0146
代理机构
代理人
主权项
地址
150300黑龙江省阿城市牌路街白五楼二单元401信箱
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