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发明名称
PACKER
摘要
申请公布号
SU777202(A1)
申请公布日期
1980.11.07
申请号
SU19772497001
申请日期
1977.06.02
申请人
ALMETEVSKOE U PO POVYSHENIYU NEFTEOTDACHI PLASTOV KAPITALNOMU REMONTU SKVAZHIN MINISTERSTVA NEFTYANOJ PROMYSHLENNOSTI
发明人
SLIVCHENKO ANATOLIJ F,SU;GILMANOV MUBIN KH,SU;LOTFULLIN BASYR T,SU
分类号
E21B33/12;(IPC1-7):E21B33/12
主分类号
E21B33/12
代理机构
代理人
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