METHOD AND APPARATUS FOR POINTWISE INTAKING GROUND WATER FROM BEHIND A WALL OF DEEP EXCAVATIONS,申请号PL19860261974-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR POINTWISE INTAKING GROUND WATER FROM BEHIND A WALL OF DEEP EXCAVATIONS
摘要
申请公布号	PL149261(B1)	申请公布日期	1990.01.31
申请号	PL19860261974	申请日期	1986.10.22
申请人		发明人
分类号	E02D;E02D19/10;(IPC1-7):E02D19/10	主分类号	E02D
代理机构		代理人
主权项
地址

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