笔(4),申请号CN200730327033.8-传众专利搜索

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发明名称	笔(4)
摘要
申请公布号	CN300850147D	申请公布日期	2008.11.19
申请号	CN200730327033.8	申请日期	2007.10.12
申请人	中国计量学院	发明人	洪宏;高筠
分类号	19-06	主分类号	19-06
代理机构	杭州杭诚专利事务所有限公司	代理人	尉伟敏
主权项
地址	310018浙江省杭州市下沙高教园区学源街258号

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