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发明名称
PACKER APPARATUS FOR HYDRAULIC BREAKING OF SEAM
摘要
申请公布号
SU855189(A1)
申请公布日期
1981.08.15
申请号
SU19792710003
申请日期
1979.01.10
申请人
N-PROIZV OB "SOYUZTERMNEFT"
发明人
MASHKOV VIKTOR A,SU;KORSHUNOV VALERIJ N,SU;SILKIN VASILIJ F,SU
分类号
E21B33/12;E21B43/26;(IPC1-7):E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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