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发明名称
PIPELINE ARRANGEMENT FOR DISCHARGING WATER FROM A WELL OF AN INTERNAL DEWATERING SYSTEMETODU VNUTRENNEGO VODOOTVODA
摘要
申请公布号
PL122060(B1)
申请公布日期
1982.06.30
申请号
PL19790218202
申请日期
1979.09.07
申请人
发明人
分类号
E02D19/10;E21F16/00;(IPC1-7):E21F16/00
主分类号
E02D19/10
代理机构
代理人
主权项
地址
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