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发明名称
METHOD OF CONSTRUCTING COUNTER-SEEPAGE SCREEN
摘要
申请公布号
SU1296669(A1)
申请公布日期
1987.03.15
申请号
SU19854007082
申请日期
1985.08.28
申请人
LE OBLASTNOE OB PO MELIORATSII ZEMEL
发明人
CHUPRUNOV EVGENIJ D,SU;RAKHSHTEJN YAN G,SU;KILDISHEV NIKOLAJ A,SU;GIBYANSKIJ VALENTIN L,SU;KARPIN GENNADIJ M,SU
分类号
E02B3/16
主分类号
E02B3/16
代理机构
代理人
主权项
地址
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