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发明名称
双烟道引风机
摘要
省略右视图。
申请公布号
CN3107855D
申请公布日期
1999.04.14
申请号
CN98321667.3
申请日期
1998.06.20
申请人
曲正有
发明人
曲正有
分类号
23-04-E0118
主分类号
23-04-E0118
代理机构
代理人
主权项
地址
134300吉林省白山市八道江区农电局
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