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发明名称
APPARATUS FOR ISOLATION OF ABSORPTION ZONES
摘要
申请公布号
SU1033708(A1)
申请公布日期
1983.08.07
申请号
SU19813372337
申请日期
1981.12.29
申请人
VNII PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
VOLTERS ALEKSANDR A,SU;SUKHENKO NIKOLAJ I,SU;IGNATOV SERGEJ M,SU;TKACHENKO MIKHAIL S,SU
分类号
E21B33/138;(IPC1-7):E21B33/13
主分类号
E21B33/138
代理机构
代理人
主权项
地址
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