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发明名称
带纸圆珠笔
摘要
笔杆内设卷纸轴。
申请公布号
CN3152578D
申请公布日期
2000.06.28
申请号
CN99336983.9
申请日期
1999.10.20
申请人
张国男
发明人
张国男
分类号
19-06-B0061
主分类号
19-06-B0061
代理机构
浙江大学专利代理事务所
代理人
韩介梅
主权项
地址
310009浙江省杭州市百岁坊巷19号
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