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发明名称
HYDROMECHANICAL PACKER
摘要
申请公布号
SU1627665(A1)
申请公布日期
1991.02.15
申请号
SU19894644833
申请日期
1989.02.02
申请人
VNII BUROVOJ TEKHNIKI;KOMBINAT "NEFT GAZ" KEE (INOPREDPRIYATIE)
发明人
VANIFATEV VLADIMIR I,SU;TSYRIN YURIJ Z,SU;SILUYANOV SERGEJ N,SU;KHAMMER GERD,DD;GEJSLER YURGEN,DD;BISHOFF YURGEN,DD;VALLENTIN VOLFGANG,DD
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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