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发明名称
换气装置
摘要
申请公布号
CN300804516D
申请公布日期
2008.07.16
申请号
CN200730123550.3
申请日期
2007.07.25
申请人
宁波意华联合电气有限公司
发明人
严海国
分类号
23-04
主分类号
23-04
代理机构
宁波诚源专利事务所有限公司
代理人
袁忠卫
主权项
地址
315500浙江省奉化市南大路385号
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