防火闭门器,申请号CN200830166782.1-传众专利搜索

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发明名称	防火闭门器
摘要
申请公布号	CN300946290D	申请公布日期	2009.06.24
申请号	CN200830166782.1	申请日期	2008.06.03
申请人	董市忠	发明人	董市忠
分类号	08-07	主分类号	08-07
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	315801浙江省宁波市北仑区小港镇红联村前进路348号605室

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