Vacuum deep well drainage system for underground water level lowering method,申请号KR20090013836U-传众专利搜索

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发明名称	Vacuum deep well drainage system for underground water level lowering method
摘要
申请公布号	KR200460536(Y1)	申请公布日期	2012.05.25
申请号	KR20090013836U	申请日期	2009.10.23
申请人		发明人
分类号	F04D13/08;E02D31/02;F04D13/10	主分类号	F04D13/08
代理机构		代理人
主权项
地址

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