电焊面罩（K）,申请号CN200730202761.6-传众专利搜索

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发明名称	电焊面罩（K）
摘要
申请公布号	CN300937342D	申请公布日期	2009.06.03
申请号	CN200730202761.6	申请日期	2007.12.29
申请人	王学刚	发明人	王学刚
分类号	29-02	主分类号	29-02
代理机构		代理人
主权项
地址	271000山东省泰安市泰山区

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