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经营范围
发明名称
Air pollution sensing and a negative ion apparatus
摘要
申请公布号
KR200409150(Y1)
申请公布日期
2006.02.20
申请号
KR20050031755U
申请日期
2005.11.09
申请人
发明人
分类号
A61L9/22
主分类号
A61L9/22
代理机构
代理人
主权项
地址
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