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发明名称
BARITE SUSPENSION FOR FORMING A PLUG IN A WELL
摘要
申请公布号
SU1465541(A1)
申请公布日期
1989.03.15
申请号
SU19874190893
申请日期
1987.02.04
申请人
VNII PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
ASHRAFYAN MIKISHA O,SU;RYABCHENKO VLADIMIR I,SU;NEGODNOV VIKTOR F,SU;SAVENOK NADEZHDA B,SU;KOSTYANOV VALENTIN M,SU;LEVCHENKO NIKOLAJ P,SU
分类号
E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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