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发明名称
全管道换气扇
摘要
设计要点不涉及产品的背面,省略后视图。
申请公布号
CN300831146D
申请公布日期
2008.09.17
申请号
CN200730199676.9
申请日期
2007.10.07
申请人
黄开刚
发明人
黄开刚
分类号
23-04
主分类号
23-04
代理机构
代理人
主权项
地址
443000湖北省宜昌市东山开发区城东大道22号康龙大厦128号
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