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发明名称
METHOD OF CONSTRUCTING LEADER DRAIN
摘要
申请公布号
RU1812268(C)
申请公布日期
1993.04.30
申请号
SU19904846767
申请日期
1990.07.03
申请人
YUZHNOE NAUCHNO-PROIZVODSTVENNOE OB"EDINENIE PO GIDROTEKHNIKE I MELIORATSII
发明人
MIRONOV VASILIJ I;BREDIKHIN NIKOLAJ N;FISENKO ALEKSANDR I
分类号
E02B11/00;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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