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发明名称
COUNTER-SEEPAGE SEALING OF EXPANSION JOINT OF HYDRAULIC STRUCTURE
摘要
申请公布号
SU1493718(A1)
申请公布日期
1989.07.15
申请号
SU19874242620
申请日期
1987.04.01
申请人
OSOBOE K BYURO V PROEKTNO-IZYSKATELSKOGO NII "GIDROPROEKT" IM.S.YA.ZHUKA
发明人
SAFONOV EVGENIJ I,SU;SEDOV LEONID A,SU
分类号
E02B3/16;E02B9/06
主分类号
E02B3/16
代理机构
代理人
主权项
地址
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