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发明名称
PROCESS AND APPARATUS FOR MAKING CONDUITS IN GROUND CONTAINING GROUND WATER
摘要
申请公布号
GB2102043(B)
申请公布日期
1984.09.19
申请号
GB19810021987
申请日期
1981.07.16
申请人
RICHARD * WEISS
发明人
RICHARD * WEISS
分类号
E21D9/00;E21D9/12;(IPC1-7):E21D9/06
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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