吸音板(140Ⅱ型),申请号CN200930018237.2-传众专利搜索

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发明名称	吸音板(140Ⅱ型)
摘要
申请公布号	CN301099830D	申请公布日期	2009.12.30
申请号	CN200930018237.2	申请日期	2009.04.10
申请人	李成春	发明人	李成春
分类号	25-02	主分类号	25-02
代理机构	德州市天科专利商标事务所	代理人	房成星
主权项
地址	253000山东省德州市开发区东方红路东首德州市金光集团公寓楼6号一单元202

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