粉笔,申请号CN200830124178.2-传众专利搜索

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发明名称	粉笔
摘要
申请公布号	CN300961401D	申请公布日期	2009.07.15
申请号	CN200830124178.2	申请日期	2008.06.12
申请人	姚博文	发明人	陈清文
分类号	19-06	主分类号	19-06
代理机构	北京林达刘知识产权代理事务所	代理人	刘新宇;张会华
主权项
地址	台湾省台南县

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