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发明名称
DOWNHOLE SAMPLER
摘要
申请公布号
SU1645490(A1)
申请公布日期
1991.04.30
申请号
SU19894694615
申请日期
1989.05.23
申请人
BEZZUBOV NIKOLAJ,SU;KARPOV SVYATOSLAV M,SU;TERLETSKIJ VIKTOR V,SU;SHKAPOROV VLADIMIR M,SU
发明人
BEZZUBOV NIKOLAJ I,SU;KARPOV SVYATOSLAV M,SU;TERLETSKIJ VIKTOR V,SU;SHKAPOROV VLADIMIR M,SU
分类号
E21B49/08
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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