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发明名称
U盘笔(YH-U5激光)
摘要
申请公布号
CN301013634D
申请公布日期
2009.09.16
申请号
CN200830240010.8
申请日期
2008.09.22
申请人
李 纳
发明人
李 纳
分类号
19-06
主分类号
19-06
代理机构
代理人
主权项
地址
315466浙江省余姚市黄家埠镇回龙工业区市场路20号
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