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发明名称
METHOD OF CONSTRUCTING WATER-IMPERVIOUS TWO-PLY LINING WITH INTERMEDIATE SCREEN
摘要
申请公布号
SU1631180(A1)
申请公布日期
1991.02.28
申请号
SU19884437242
申请日期
1988.06.06
申请人
MO I INZHENEROV ZHELEZNODOROZ
发明人
VASILENKO IGOR E,SU;KHRAPOV VLADIMIR G,SU;VASILENKO EVSTAFIJ A,SU;REVA IGOR V,SU
分类号
E21D11/10
主分类号
E21D11/10
代理机构
代理人
主权项
地址
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