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发明名称
COUNTER-FILTRATION MEMBRANE OF DAM MADE OF EARTH MATERIALS
摘要
申请公布号
SU968145(A1)
申请公布日期
1982.10.23
申请号
SU19813315176
申请日期
1981.04.06
申请人
VNII GIDROTEKHNIKI IM.B.E.VEDENEEVA
发明人
POPCHENKO SERGEJ N,SU;BORISOV GENNADIJ V,SU;GAVRILOV SERGEJ V,SU
分类号
E02B3/16;(IPC1-7):E02B3/16
主分类号
E02B3/16
代理机构
代理人
主权项
地址
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