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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
PL261974(A1)
申请公布日期
1987.03.23
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):E02D/
主分类号
E02D
代理机构
代理人
主权项
地址
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