A air ventilation cleaning for elevator,申请号KR20070082821-传众专利搜索

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发明名称	A air ventilation cleaning for elevator
摘要
申请公布号	KR100903404(B1)	申请公布日期	2009.06.18
申请号	KR20070082821	申请日期	2007.08.17
申请人		发明人
分类号	B66B11/02;B01D35/00	主分类号	B66B11/02
代理机构		代理人
主权项
地址

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